Folders are the basic instrument to organize and manage the objects that you upload to or create in BSCW. A Folder can contain all types of objects, including other Folders, Meetings or Discussions.
In its entry in a Folder page or Meeting page, the 
icon to the left of its name indicates that the Folder does contain objects.
icon to display the contents of the Folder in an indented list below its entry in the current Folder page.
Or
to display the contents of the Folder in its Folder page.