In the Category Management window you first select which type of category help you want to open by clicking on the tab in question. The tab for a certain type of category explanation is displayed only if the setting to use the specific category explanation has been activated.
In the upper portion of the window you enter the category components with rows. In the lower part of the window you can add a selection list for category component (applies to category components of the Optional with selection list and Mandatory selection list types).