23. The method of claim 19 , wherein automatically causing the controls area to contain the context block comprises displaying, by the computer, the context block within a context pane, the context pane having a title bar and a controls area, the title bar of the context pane labeling the context pane, the controls area of the context pane including the set of commands.
31. The method of claim 23 , wherein multiple context panes are stackable in a queue.