You have the possibility to create sublevels for the menu.
Navigate to Pages & Menu in the administration menu. Click Create a Site.
Select 50 Submenu as the page type and save the page.
Drag and drop the desired pages or menu items under the page you have just created.
You can see that the pages have been added to the submenu as they are slightly indented. In this example, 2 pages have been added to the submenu.
In the user view, employees can now see the submenu (indicated by the arrow). This submenu can be expanded to display the subordinate pages.