Like the items in the edit mode, the menus and the buttons within them also work with the drag & drop methodology. You can add new categories, rearrange existing buttons into categories & sub categories and move buttons between different menus.  All these actions are done by the simple easy to use drag & drop. In order to start editing your menu click the
 'menu buttons' tab and start editing your menus!

Use the "menu buttons" tab to arrange menu buttons. Arrange the buttons using the unique drag & drop feature of the menu.

Then you can continue by adding any new category to your menus. You can do that by dragging and dropping a new category from the drag & drop menu.