Areas are used to define where the targeted content displays on the page.
The top folder in this section will list the sections defined for the site, the next level down will list the pages defined for the section, and the level below that will list the area(s) on a page.
Select the area that the targeted content should appear in and add the area to the experience by dragging it to the appropriate place in the experience. Enter its properties on the "Properties" tab.