The Secondary Menu is an additional navigation area available in Genesis Customizer. By default, it is located beneath the Primary Header area, as seen in the screenshot below:
Adding Menu Items
To add menu items to the Secondary Menu, navigate to Appearance > Menus and either create a new menu or select an existing one. Begin adding items from the left of the screen to the menu and click "Save" when you are done. See the How to create a navigation menu article for further instructions on how to add menu items to a menu.
Important: When creating the menu, be sure to check the Secondary Menu display location under the Menu Settings:
Customizing the Secondary Menu
Once you have added menu items to the secondary menu and set the display location you can begin customizing the appearance. There are plenty of settings available for changing the look and feel of the Secondary menu. Watch the video below as an example of the Customizer settings in use: