Admin can create menu or required Modules / Forms can be added to the created menu here.

System Admin-> Rights Management -> Manage Roles/Menu Item

Select the User Menu from the list. Select the modules or forms from available menus in the left pane and move to the right pane user menu by clicking the right arrow. Same way it can be removed by selecting and clicking the left arrow.

Click below link to view create Manage Roles/Menu Item Video: