diff --git a/docs/assets/css/unicado.css b/docs/assets/css/unicado.css
index d7d9cc939816c800ab95dd09166056a20f99e0d5..489f70ee5aaadec5284963a265303ac495affcd7 100644
--- a/docs/assets/css/unicado.css
+++ b/docs/assets/css/unicado.css
@@ -17,4 +17,12 @@
 .grid-item:where(:hover, :focus) {
   border-color: #0000;
   box-shadow: var(--md-shadow-z2);
+}
+
+.overview-item {
+    min-height: 240px;
+}
+
+.overview-img {
+    width: 200px;
 }
\ No newline at end of file
diff --git a/docs/assets/images/modules/fuselage-design.png b/docs/assets/images/modules/fuselage-design.png
new file mode 100644
index 0000000000000000000000000000000000000000..7d979cbaf67ceda855a64798f3afbb049e2f957a
--- /dev/null
+++ b/docs/assets/images/modules/fuselage-design.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1f4c2f41f79816a2bd94e6dee01d7f8dde0c6c7750a18a43dd1a7f354c910589
+size 131367
diff --git a/docs/assets/images/screenshot-tigl.png b/docs/assets/images/screenshot-tigl.png
new file mode 100644
index 0000000000000000000000000000000000000000..c968f4215badeadf1489d30a90d516629f70f76e
--- /dev/null
+++ b/docs/assets/images/screenshot-tigl.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:377ad5b9274486aa4ee833c9c6f3c22974cd7c356e937bd27922bf2c9c31f599
+size 209966
diff --git a/docs/modules/additional-software.md b/docs/modules/additional-software.md
index 09d7e0a080d62edba3a48e17b996cdb772a10fb3..90e6b666dabc8350e3322dbf395a40260acfdeaa 100644
--- a/docs/modules/additional-software.md
+++ b/docs/modules/additional-software.md
@@ -6,34 +6,49 @@ authors:
 date: 2023-09-08
 glightbox: false
 ---
+
 ## cpacsInterface
-![Icon](../assets/images/icon.png){width=200  align=left}
-Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nulla et euismod nulla. Curabitur feugiat, tortor non consequat finibus, justo purus auctor massa, nec semper lorem quam in massa.
+![Icon](../assets/images/icon.png){.overview-img  align=left}
+The **cpacsInterface** is an additional module of the UNICADO toolchain.
+Its purpose is to transform the UNICADO aircraft XML file into CPACS format and vice Versa.
+The module consists of two modules convertUNICADO2CPACS which is responsible for converting the UNICADO aircraft exchange file into a CPACS format document, and convertCPACS2UNICADO which does the exact opposite and convert the data of the CPACS file into UNICADO format file.
+{.overview-item}
 
 |Module Version|Language|License|Documentation|
 |:---:|:---:|:---:|---|
 |2.1.0|:simple-cplusplus: |GPLv3|[Link]()|
 
+---
+
 ## designEvaluator
-![Icon](../assets/images/icon.png){width=200  align=left}
+![Icon](../assets/images/icon.png){.overview-img  align=left}
 Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nulla et euismod nulla. Curabitur feugiat, tortor non consequat finibus, justo purus auctor massa, nec semper lorem quam in massa.
+{.overview-item}
 
 |Module Version|Language|License|Documentation|
 |:---:|:---:|:---:|---|
 |2.1.0|:simple-cplusplus: |GPLv3|[Link]()|
 
+---
+
 ## reportGenerator
-![Icon](../assets/images/icon.png){width=200  align=left}
+![Icon](../assets/images/icon.png){.overview-img  align=left}
 Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nulla et euismod nulla. Curabitur feugiat, tortor non consequat finibus, justo purus auctor massa, nec semper lorem quam in massa.
+{.overview-item}
 
 |Module Version|Language|License|Documentation|
 |:---:|:---:|:---:|---|
 |2.1.0|:simple-cplusplus: |GPLv3|[Link]()|
 
+---
+
 ## testFramework
-![Icon](../assets/images/icon.png){width=200  align=left}
+![Icon](../assets/images/icon.png){.overview-img  align=left}
 Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nulla et euismod nulla. Curabitur feugiat, tortor non consequat finibus, justo purus auctor massa, nec semper lorem quam in massa.
+{.overview-item}
 
 |Module Version|Language|License|Documentation|
 |:---:|:---:|:---:|---|
 |2.1.0|:simple-cplusplus: |GPLv3|[Link]()|
+
+---
diff --git a/docs/modules/analysis.md b/docs/modules/analysis.md
index e7cf74290e8b5df63be8bc56d4c5507aab79ddeb..c4df2ab32d8c2aa7cb3f978a0e78a0082589f764 100644
--- a/docs/modules/analysis.md
+++ b/docs/modules/analysis.md
@@ -5,52 +5,80 @@ authors:
     - Sebastian Oberschwendtner
 date: 2023-09-08
 glightbox: false
+---
+# Analysis Tools
+
 ---
 
 ## calculateEmissions
-![Icon](../assets/images/icon.png){width=200  align=left}
-Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nulla et euismod nulla. Curabitur feugiat, tortor non consequat finibus, justo purus auctor massa, nec semper lorem quam in massa.
+![Icon](../assets/images/icon.png){.overview-img  align=left}
+The **calculateEmissions** is an additional module of the UNICADO toolchain.
+Its purpose is to calculate the emissions and energy demand within the aircraft's lifecycle and to determine the missions based climate impact.
+
+!!! note
+    By now, only the calculation routines / outputs based on the flown mission are up to date.
+
+For the user, possible changes in the module run configuration can be made in the related calculateEmissions_conf.xml file.
+The parameters comprised in this XML file can have different attributes as e.g. Filenames, Directories, Output configs, and are further subdivided into control and program settings.
+{.overview-item}
 
 |Module Version|Language|License|Documentation|
 |:---:|:---:|:---:|---|
 |2.1.0|:simple-cplusplus: |GPLv3|[Link]()|
 
+---
+
 ## calculatePerformance
-![Icon](../assets/images/icon.png){width=200  align=left}
+![Icon](../assets/images/icon.png){.overview-img  align=left}
 The module `calculatePerformance` is used to evaluate the mission performance of the design.
+{.overview-item}
 
 |Module Version|Language|License|Documentation|
 |:---:|:---:|:---:|---|
 |2.1.0|:simple-cplusplus:| GPLv3 |[Link]()|
 
+---
+
 ## calculatePolar
-![Icon](../assets/images/icon.png){width=200  align=left}
+![Icon](../assets/images/icon.png){.overview-img  align=left}
 Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nulla et euismod nulla. Curabitur feugiat, tortor non consequat finibus, justo purus auctor massa, nec semper lorem quam in massa.
+{.overview-item}
 
 |Module Version|Language|License|Documentation|
 |:---:|:---:|:---:|---|
 |2.1.0|:simple-cplusplus: |GPLv3|[Link]()|
 
+---
+
 ## costEstimation
-![Icon](../assets/images/icon.png){width=200  align=left}
+![Icon](../assets/images/icon.png){.overview-img  align=left}
 Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nulla et euismod nulla. Curabitur feugiat, tortor non consequat finibus, justo purus auctor massa, nec semper lorem quam in massa.
+{.overview-item}
 
 |Module Version|Language|License|Documentation|
 |:---:|:---:|:---:|---|
 |2.1.0|:simple-python: |GPLv3|[Link]()|
 
+---
+
 ## massEstimation
-![Icon](../assets/images/icon.png){width=200  align=left}
+![Icon](../assets/images/icon.png){.overview-img  align=left}
 Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nulla et euismod nulla. Curabitur feugiat, tortor non consequat finibus, justo purus auctor massa, nec semper lorem quam in massa.
+{.overview-item}
 
 |Module Version|Language|License|Documentation|
 |:---:|:---:|:---:|---|
 |2.1.0|:simple-cplusplus: |GPLv3|[Link]()|
 
+---
+
 ## missionAnalysis
-![Icon](../assets/images/icon.png){width=200  align=left}
+![Icon](../assets/images/icon.png){.overview-img  align=left}
 Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nulla et euismod nulla. Curabitur feugiat, tortor non consequat finibus, justo purus auctor massa, nec semper lorem quam in massa.
+{.overview-item}
 
 |Module Version|Language|License|Documentation|
 |:---:|:---:|:---:|---|
-|2.1.0|:simple-cplusplus: |GPLv3|[Link]()|
\ No newline at end of file
+|2.1.0|:simple-cplusplus: |GPLv3|[Link]()|
+
+---
\ No newline at end of file
diff --git a/docs/modules/libraries.md b/docs/modules/libraries.md
index 2d0a3ab41944e20c625471d18113e08438c2d6e2..50396fa1fc2484c52dab65c5a8abf31cda693fc2 100644
--- a/docs/modules/libraries.md
+++ b/docs/modules/libraries.md
@@ -8,121 +8,165 @@ glightbox: false
 ---
 
 ## aerodynamics
-![Icon](../assets/images/icon.png){width=200  align=left}
+![Icon](../assets/images/icon.png){.overview-img  align=left}
 Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nulla et euismod nulla. Curabitur feugiat, tortor non consequat finibus, justo purus auctor massa, nec semper lorem quam in massa.
+{.overview-item}
 
 |Module Version|Language|License|Documentation|
 |:---:|:---:|:---:|---|
 |2.1.0|:simple-cplusplus: |GPLv3|[Link]()|
 
+---
+
 ## aircraftGeometry
-![Icon](../assets/images/icon.png){width=200  align=left}
+![Icon](../assets/images/icon.png){.overview-img  align=left}
 Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nulla et euismod nulla. Curabitur feugiat, tortor non consequat finibus, justo purus auctor massa, nec semper lorem quam in massa.
+{.overview-item}
 
 |Module Version|Language|License|Documentation|
 |:---:|:---:|:---:|---|
 |2.0.0|:simple-cplusplus: |GPLv3|[Link]()|
 
+---
+
 ## aircraftGeometry2
-![Icon](../assets/images/icon.png){width=200  align=left}
+![Icon](../assets/images/icon.png){.overview-img  align=left}
 This library is based on the older [aircraftGeometry](#aircraftgeometry) library and extends it to be more modular.
 The modularity and flexibility is achieved by using the high performance [Computational Geometry Algorithms Library](https://www.cgal.org/) also known as **CGAL**.
+{.overview-item}
 
 |Module Version|Language|License|Documentation|
 |:---:|:---:|:---:|---|
 |2.1.0|:simple-cplusplus: |GPLv3|[Link](aircraftGeometry2/index.html)|
 
+---
+
 ## aircraftNetwork
-![Icon](../assets/images/icon.png){width=200  align=left}
+![Icon](../assets/images/icon.png){.overview-img  align=left}
 Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nulla et euismod nulla. Curabitur feugiat, tortor non consequat finibus, justo purus auctor massa, nec semper lorem quam in massa.
+{.overview-item}
 
 |Module Version|Language|License|Documentation|
 |:---:|:---:|:---:|---|
 |2.1.0|:simple-cplusplus: |GPLv3|[Link]()|
 
+---
+
 ## aixml
-![Icon](../assets/images/icon.png){width=200  align=left}
-Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nulla et euismod nulla. Curabitur feugiat, tortor non consequat finibus, justo purus auctor massa, nec semper lorem quam in massa.
+![Icon](../assets/images/icon.png){.overview-img  align=left}
+The **aixml** library is the central library which handles the XML files and data access.
+It uses a simple XML library, namely tinyxml, to read and parse the XML files.
+{.overview-item}
 
 |Module Version|Language|License|Documentation|
 |:---:|:---:|:---:|---|
 |2.1.0|:simple-cplusplus: |GPLv3|[Link]()|
 
+---
+
 ## atmosphere
-![Icon](../assets/images/icon.png){width=200  align=left}
+![Icon](../assets/images/icon.png){.overview-img  align=left}
 Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nulla et euismod nulla. Curabitur feugiat, tortor non consequat finibus, justo purus auctor massa, nec semper lorem quam in massa.
+{.overview-item}
 
 |Module Version|Language|License|Documentation|
 |:---:|:---:|:---:|---|
 |2.1.0|:simple-cplusplus: |GPLv3|[Link]()|
 
+---
+
 ## engine
-![Icon](../assets/images/icon.png){width=200  align=left}
+![Icon](../assets/images/icon.png){.overview-img  align=left}
 Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nulla et euismod nulla. Curabitur feugiat, tortor non consequat finibus, justo purus auctor massa, nec semper lorem quam in massa.
+{.overview-item}
 
 |Module Version|Language|License|Documentation|
 |:---:|:---:|:---:|---|
 |2.1.0|:simple-cplusplus: |GPLv3|[Link]()|
 
+---
+
 ## liftingLineInterface
-![Icon](../assets/images/icon.png){width=200  align=left}
+![Icon](../assets/images/icon.png){.overview-img  align=left}
 Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nulla et euismod nulla. Curabitur feugiat, tortor non consequat finibus, justo purus auctor massa, nec semper lorem quam in massa.
+{.overview-item}
 
 |Module Version|Language|License|Documentation|
 |:---:|:---:|:---:|---|
 |2.1.0|:simple-cplusplus: |GPLv3|[Link]()|
 
+---
+
 ## moduleBasics
-![Icon](../assets/images/icon.png){width=200  align=left}
+![Icon](../assets/images/icon.png){.overview-img  align=left}
 Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nulla et euismod nulla. Curabitur feugiat, tortor non consequat finibus, justo purus auctor massa, nec semper lorem quam in massa.
+{.overview-item}
 
 |Module Version|Language|License|Documentation|
 |:---:|:---:|:---:|---|
 |2.1.0|:simple-cplusplus: |GPLv3|[Link]()|
 
+---
+
 ## propulsionsystem
-![Icon](../assets/images/icon.png){width=200  align=left}
+![Icon](../assets/images/icon.png){.overview-img  align=left}
 Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nulla et euismod nulla. Curabitur feugiat, tortor non consequat finibus, justo purus auctor massa, nec semper lorem quam in massa.
+{.overview-item}
 
 |Module Version|Language|License|Documentation|
 |:---:|:---:|:---:|---|
 |2.1.0|:simple-cplusplus: |GPLv3|[Link]()|
 
+---
+
 ## runtimeInfo
-![Icon](../assets/images/icon.png){width=200  align=left}
+![Icon](../assets/images/icon.png){.overview-img  align=left}
 Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nulla et euismod nulla. Curabitur feugiat, tortor non consequat finibus, justo purus auctor massa, nec semper lorem quam in massa.
+{.overview-item}
 
 |Module Version|Language|License|Documentation|
 |:---:|:---:|:---:|---|
 |2.1.0|:simple-cplusplus: |GPLv3|[Link]()|
 
+---
+
 ## spline
-![Icon](../assets/images/icon.png){width=200  align=left}
+![Icon](../assets/images/icon.png){.overview-img  align=left}
 Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nulla et euismod nulla. Curabitur feugiat, tortor non consequat finibus, justo purus auctor massa, nec semper lorem quam in massa.
+{.overview-item}
 
 |Module Version|Language|License|Documentation|
 |:---:|:---:|:---:|---|
 |2.1.0|:simple-cplusplus: |GPLv3|[Link]()|
 
+---
+
 ## standardFiles
-![Icon](../assets/images/icon.png){width=200  align=left}
+![Icon](../assets/images/icon.png){.overview-img  align=left}
 Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nulla et euismod nulla. Curabitur feugiat, tortor non consequat finibus, justo purus auctor massa, nec semper lorem quam in massa.
+{.overview-item}
 
 |Module Version|Language|License|Documentation|
 |:---:|:---:|:---:|---|
 |2.1.0|:simple-cplusplus: |GPLv3|[Link]()|
 
+---
+
 ## svgPlot
-![Icon](../assets/images/icon.png){width=200  align=left}
+![Icon](../assets/images/icon.png){.overview-img  align=left}
 Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nulla et euismod nulla. Curabitur feugiat, tortor non consequat finibus, justo purus auctor massa, nec semper lorem quam in massa.
+{.overview-item}
 
 |Module Version|Language|License|Documentation|
 |:---:|:---:|:---:|---|
 |2.1.0|:simple-cplusplus: |GPLv3|[Link]()|
 
+---
+
 ## unitConversion
-![Icon](../assets/images/icon.png){width=200  align=left}
+![Icon](../assets/images/icon.png){.overview-img  align=left}
 Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nulla et euismod nulla. Curabitur feugiat, tortor non consequat finibus, justo purus auctor massa, nec semper lorem quam in massa.
+{.overview-item}
 
 |Module Version|Language|License|Documentation|
 |:---:|:---:|:---:|---|
diff --git a/docs/modules/overview.md b/docs/modules/overview.md
index 1acc339ece2839efa705056ed3da63c2051954b3..36ad873b2a566723208fb9a9637e25940da2656c 100644
--- a/docs/modules/overview.md
+++ b/docs/modules/overview.md
@@ -7,11 +7,35 @@ date: 2023-09-08
 glightbox: false
 ---
 
-UNICADO collects the following software modules.
-The modules are grouped into:
-
-- **Aircraft Design**:
-    - [Sizing Tools](sizing.md)
-    - [Analysis Tools](analysis.md)
-- [ Libraries ](libraries.md)
-- [Additional Software](additional-software.md)
\ No newline at end of file
+**UNICADO** collects several modules and data which are grouped into repostories:
+
+- [:simple-gitlab: Aircraft Design]():
+
+    The aircraft design repository collect alls the [sizing tools](sizing.md) and [analysis tools](analysis.md) which are needed for the preliminary design process.
+
+- [:simple-gitlab: Libraries]():
+
+    Whenever some functionality is used in several modules, the functions are collected and made available within the project via [libraries](libraries.md).
+
+- [:simple-gitlab: Additional Software]():
+
+    Tools which are not directly needed for the aircraft design process, like our test framework are grouped in [additional software](additional-software.md). Some helper tools which are used to convert file types and analyse results can be found here as well.
+
+- [:simple-gitlab: Aircraft References]():
+
+    Here you can found different designed aircraft. The designs are made using the **UNICADO** workflow and are generally in a *valid* and *converged* state.
+
+!!! note
+    This repository will be translated to a actual database in the future!
+
+- [:simple-gitlab: Engines]():
+
+    This collect different engines and their operating data as lookup tables which is used by several tools to analyse and estimate the engine performance.
+
+- [:simple-gitlab: WorkflowOnRCE]():
+
+    Here are all the files which are relevant for executing the **UNICADO** workflow with [RCE]().
+
+- [:simple-gitlab: UNICADO]():
+
+    This repository is a container which collects all **UNICADO** repositories as submodules. It is used to create the **UNICADO** releases and is a __good__ starting point to get developing.
\ No newline at end of file
diff --git a/docs/modules/sizing.md b/docs/modules/sizing.md
index e49f024f3d2e3516d7c951718c3eb26adbdbcd88..76d6d31fab9235fcef2164ee32246520118145bd 100644
--- a/docs/modules/sizing.md
+++ b/docs/modules/sizing.md
@@ -6,91 +6,135 @@ authors:
 date: 2023-09-08
 glightbox: false
 ---
+# Sizing Tools
+The sizing tools design and estimate aircraft parameters.
+They mainly change the dimensions of the aircraft and systems.
+The following sizing tools are available:
 
-## createMissionXML
-![Icon](../assets/images/icon.png){width=200  align=left}
-Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nulla et euismod nulla. Curabitur feugiat, tortor non consequat finibus, justo purus auctor massa, nec semper lorem quam in massa.
-
-|Module Version|Language|License|Documentation|
-|:---:|:---:|:---:|---|
-|2.1.0|:simple-cplusplus: |GPLv3|[Link]()|
+---
 
 ## createMissionXML
-![Icon](../assets/images/icon.png){width=200  align=left}
-Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nulla et euismod nulla. Curabitur feugiat, tortor non consequat finibus, justo purus auctor massa, nec semper lorem quam in massa.
+![Icon](../assets/images/icon.png){.overview-img  align=left}
+The **createMissionXML** is the third module of the UNICADO tool chain.
+Its purpose is to set up the overall flight mission including e.g. a flight segment table, speed and altitude schedules, number of passengers (PAX), total payload or the engine warm up time.
+For the user, possible changes in the module run configuration can be made in the related createMissionXML_conf.xml file.
+The parameters comprised in this file can have different attributes as e.g. Desc, Unit, Default or #text and are further subdivided into control settings and program settings.
+{.overview-item}
 
 |Module Version|Language|License|Documentation|
 |:---:|:---:|:---:|---|
 |2.1.0|:simple-cplusplus: |GPLv3|[Link]()|
 
+---
+
 ## empennageSizing
-![Icon](../assets/images/icon.png){width=200  align=left}
-Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nulla et euismod nulla. Curabitur feugiat, tortor non consequat finibus, justo purus auctor massa, nec semper lorem quam in massa.
+![Icon](../assets/images/icon.png){.overview-img  align=left}
+The **empennageSizing** module calculates characteristic parameter of the empennage of the aircraft.
+It takes takes the controlability as wells as the statoic margin of the aircraft into account and sizes the empennage accordingly.
+{.overview-item}
 
 |Module Version|Language|License|Documentation|
 |:---:|:---:|:---:|---|
 |2.1.0|:simple-cplusplus: |GPLv3|[Link]()|
 
+---
+
 ## engineSizing
-![Icon](../assets/images/icon.png){width=200  align=left}
-Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nulla et euismod nulla. Curabitur feugiat, tortor non consequat finibus, justo purus auctor massa, nec semper lorem quam in massa.
+![Icon](../assets/images/icon.png){.overview-img  align=left}
+Currently one engine performance deck is available (of the V2527-A5 engine).
+This performance deck was created with an external calculation tool.
+The engine performance deck containing serval parameters (like thrust, fuel-flow, ...) as a function of the flight Mach number and the altitude.
+This deck is the basis for the UNICADO engineSizing module.
+The engine will be scaled by the engineSizing module to match the specific thrust requirements.
+Moreover, an engine bucket curve and several engine deck plots can be created.
+Also, the engineSizing module set the required parameters of the engine performance for the aircraft design process in the central aircraft exchange file.
+{.overview-item}
 
 |Module Version|Language|License|Documentation|
 |:---:|:---:|:---:|---|
 |2.1.0|:simple-cplusplus: |GPLv3|[Link]()|
 
+---
+
 ## fuselageDesign
-![Icon](../assets/images/icon.png){width=200  align=left}
-Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nulla et euismod nulla. Curabitur feugiat, tortor non consequat finibus, justo purus auctor massa, nec semper lorem quam in massa.
+![Icon](../assets/images/modules/fuselage-design.png){.overview-img align=left}
+The **fuselageDesign** module calculates characteristic parameters and generates the passenger cabin and fuselage layout for the entire aircraft project.
+{.overview-item}
 
 |Module Version|Language|License|Documentation|
 |:---:|:---:|:---:|---|
 |2.1.0|:simple-cplusplus: |GPLv3|[Link]()|
 
+---
+
 ## hydrogenTank
-![Icon](../assets/images/icon.png){width=200  align=left}
-Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nulla et euismod nulla. Curabitur feugiat, tortor non consequat finibus, justo purus auctor massa, nec semper lorem quam in massa.
+![Icon](../assets/images/icon.png){.overview-img  align=left}
+:construction: *tbd*
+{.overview-item}
 
 |Module Version|Language|License|Documentation|
 |:---:|:---:|:---:|---|
 |2.1.0|:simple-python: |GPLv3|[Link]()|
 
+---
+
 ## initialSizing
-![Icon](../assets/images/icon.png){width=200  align=left}
-Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nulla et euismod nulla. Curabitur feugiat, tortor non consequat finibus, justo purus auctor massa, nec semper lorem quam in massa.
+![Icon](../assets/images/icon.png){.overview-img  align=left}
+The module **initialSizing** is used to determine a design chart regarding Top Level Aircraft Requirements and Certification Specification Requirements.
+The wing-loading (W/S) and thrust to weight ratio (T/W) can be derived as the design point for further modules from the Design Chart.
+Furthermore an initial estimation of the takeoff mass is done.
+{.overview-item}
 
 |Module Version|Language|License|Documentation|
 |:---:|:---:|:---:|---|
 |2.1.0|:simple-cplusplus: |GPLv3|[Link]()|
 
+---
+
 ## landingGearDesign
-![Icon](../assets/images/icon.png){width=200  align=left}
-Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nulla et euismod nulla. Curabitur feugiat, tortor non consequat finibus, justo purus auctor massa, nec semper lorem quam in massa.
+![Icon](../assets/images/icon.png){.overview-img  align=left}
+The **landingGearDesign** module calculates characteristic parameters for the landing gear of entire aircraft project.
+{.overview-item}
 
 |Module Version|Language|License|Documentation|
 |:---:|:---:|:---:|---|
 |2.1.0|:simple-cplusplus: |GPLv3|[Link]()|
 
+---
+
 ## propulsionIntegration
-![Icon](../assets/images/icon.png){width=200  align=left}
-Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nulla et euismod nulla. Curabitur feugiat, tortor non consequat finibus, justo purus auctor massa, nec semper lorem quam in massa.
+![Icon](../assets/images/icon.png){.overview-img  align=left}
+The **propulsionIntegration** module integrates the propulsion system to the aircraft.
+This occurs in relation to the user settings (e.g. integration of the propulsion on the wing or fuselage, ...).
+Depending on the location of the integration, the tool calculates the nacelle and pylon geometry.
+If a geometry already exists, it is possible to scale it.
+{.overview-item}
 
 |Module Version|Language|License|Documentation|
 |:---:|:---:|:---:|---|
 |2.1.0|:simple-cplusplus: |GPLv3|[Link]()|
 
+---
+
 ## systemsDesign
-![Icon](../assets/images/icon.png){width=200  align=left}
-Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nulla et euismod nulla. Curabitur feugiat, tortor non consequat finibus, justo purus auctor massa, nec semper lorem quam in massa.
+![Icon](../assets/images/icon.png){.overview-img  align=left}
+The **systemsDesign** is part of the tool chain in the UNICADO aircraft design environment.
+It dimensions ATA chapter systems in terms of mass and energy requirement divided by hydraulic- electric- and bleed air energy requirement.
+{.overview-item}
 
 |Module Version|Language|License|Documentation|
 |:---:|:---:|:---:|---|
 |2.1.0|:simple-cplusplus: |GPLv3|[Link]()|
 
+---
+
 ## wingDesign
-![Icon](../assets/images/icon.png){width=200  align=left}
-Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nulla et euismod nulla. Curabitur feugiat, tortor non consequat finibus, justo purus auctor massa, nec semper lorem quam in massa.
+![Icon](../assets/images/icon.png){.overview-img  align=left}
+The wing design module calculates characteristic parameter of the aircraft main wing.
+{.overview-item}
 
 |Module Version|Language|License|Documentation|
 |:---:|:---:|:---:|---|
-|2.1.0|:simple-cplusplus: |GPLv3|[Link]()|
\ No newline at end of file
+|2.1.0|:simple-cplusplus: |GPLv3|[Link]()|
+
+---
\ No newline at end of file
diff --git a/docs/workflow.md b/docs/workflow.md
index 133ccdb26959245c62aa7db09dfd13492e6f72fb..c874ebc92286e15a45d724a792c0d0a1367f3add 100644
--- a/docs/workflow.md
+++ b/docs/workflow.md
@@ -1,5 +1,5 @@
 ---
-title: Worfklow
+title: Worfkflow
 summary: Introduces the UNICADO workflow in RCE
 authors:
     - Sebastian Oberschwendtner