Removal/Contraction of a Region/Zone ???Container??? Cell [0090]FIG. 12 illustrates the operational flow of the relevant aspects of an implementor, e.g. an application, a cell-cell manager or a window manager, for responding to a request to remove a region/zone ???container??? cell from a region ???container??? cell, or an ???action??? cell from a region/zone ???container??? cell (hereinafter, for