close(To end an application's relationship with an open file so that the application will no longer be able to access the file without opening it again); collapse(To reduce the amount of information displayed by hiding from view the subentries within a folder, section or conversation, or a portion of text or other content within a control)
Exit(An item on the right-click menu for the Communicator icon that appears in the Windows taskbar that signs the user out of Communicator and closes all open Communicator windows and dialog boxes)