You can define up to three custom main menu selections for your Storefront. Those three main menu options can then have an unlimited number of sub menu items. For example, here are the Content menus defined in our demo:
The first level in the outline with the red dot represent the main menu options. The second level options are shown with blue squares.
That Content menu configuration is then translated on the storefront as follows:
The red dot and blue squares are for this knowledge base topic; you will not see them in Boomer Admin or on the Storefront.