The creation process of a Domain or a Data Template is the same in Semantics4BIM.

Enter "Edit Mode" and choose your Workspace.

Click the language flag to active multi-language editing.

Edit the name in other languages if needed.

Edit the definition in other languages if needed.

[Issue found]
After the basic information is filled in (like name and description). 
Make sure to click 'Save' button before starts add any properties or reference documents in the current domain. 

Click "ADD DOCUMENT" if need to add a reference document to the domain.

Click "+" the add button to add a reference document to the current domain.

Click "+" the add button to add a property to the current domain.

Relation of parent and children will be updated automatically after finish the action.

Drag "Window" element on top of "Window set" to make "Window" as a child of "Window set".

Drag "Window frame" element on top of "Window set" to make "Window frame" as a child of "Window set".

Click "arrow" to expand the children of current element.

Click "Window" and check the relation of the parent is correctly updated.

Due to the distribution and notification systems are not deployed in the current version (Beta v1.0.1).

Please DO NOT associate areas of expertise with a domain or a data template. Which may break your validation workflow.

We will notify you once the system is online, and the areas of expertises could be associate later.

Create domain or data templet - Semantics4BIM