Store Page Widgetized Area
This is a widgetized area and its content is controled from Appearance->Widgets. You can display a fancy widget, a description of your store, an announcement or anything you want here. Or just leave leave it empty, it's your choice.

You can see the full list of features or order this WordPress theme here

Bottom Widgetized Area
This is another widgetized area. You can add any WordPress default or custom widget. If you don't want to display anything here, just leave it empty.