The Activity Panel displays the current view for each activity selected in the Navigation Panel. For example, if you select the Organizer Activity displayed in the Navigation Panel, the Activity Panel will display the last Calendar view (Day, Week, Month, or Year view) (2), with the Month Selector (3) and To Do List (4).

Example of Activity Panel Area
At the top of the Activity Panel, there are various docked toolbars associated with each activity (1). You can reposition or float the toolbars by dragging them with the mouse from their docked position.
You can use the Menu actions in the Menu bar or the associated toolbars to perform actions on selections made in the Activity Panel. These include the standard edit options to cut, copy and paste items to and from the clipboard.
The items in the Activity Panel will be filtered on the selected folder shown in the User folder tree view in the Navigation Panel to left side of the Activity Panel. You can also perform standard edit options using the folder tree view to copy items by folder.