The7 theme allows you to display multiple menus through Dashboard > Appearance > Menus (fig. 1):
- Primary menu:
- Split menu (left and right):
- Header microwidgets 1 and (location of these microwidgets can be chosen in Theme Options -> Top Bar & Header -> Microwidgets):
- Bottom menu:
You can also set up a specific menu for mobile layout:
Note that menus can be also displayed via widgets. Custom menu can be created/managed in a usual way. More detail are available here: http://en.support.wordpress.com/menus/
The7 theme supports Mega Menu functionality. Details on it can be found here
Also you can select position of menu in top and bottom bars from Theme Options.