The Horizontal Menu has already been created for you. The UAB template is designed for you to create individual left sidebars for each area of your site. The horizontal navigation menu is used to point to the left sidebar menus using an menu item alias link. The color and size of the horizontal navigation may vary from site to site.
Go to Menus > Manage and click on Horizontal Navigation-DO NOT DELETE to add menu items a new menu item. You will see a listing of menu items within the Horizontal Navigation menu. Click on New to add a new menu item to the Horizontal Navigation menu. Provide a Menu Title of Area 5. Under Menu Item Type, choose the Select icon.
Under System Links, choose "Menu Item Alias." This is simply a manu item that points to another menu.
Next, we want to point our alias to the correct sidebar menu. Filter the menus to include menu items from only the Area 5 Sidebar menu. Select the menu item titled Area 5 Sidebar that points to the landing page artice.
That's it! Just click "Save & Close" and you can preview your new menu. To create a drop down menu, complete the steps above and select a Parent Item from the drop down menu.