This is the layout of the Phrontex screen. If you are using Phrontex on a small display, the content menu will be hidden: click the menu icon at top-left to display it. Alternatively, you can zoom out with (ctrl + minus key) to shrink the display and the content menu should display.
Clicking on a group or heading will expand it and show the pages underneath. To contract it, use control-click.
More on Searching for content
Find out about Drop-down Menus