The Pending Jobs view contains a grid or log showing outgoing fax jobs that have been submitted from the various clients that have not been processed.
The lower pane shows thumbnails of the selected item. You can move the splitter bar by grabbing it with the mouse and sliding it up or down.
This grid or log in the upper pane and thumbnails in lower pane are typical of the other data views as well. You will notice that all data views have a toolbar above the grid. Park the mouse over a button to expose a hint as to the button's function.