A memory card is set into a slot of a printer. Video content may be provided for viewing by a plurality of users. , and configure itself appropriately. If it is determined the area is an area allowing overlapped allocation, a used area that overlaps with the adjoining area is allocated. In response to a control action indicating the depth adjustment is complete, object group members are returned to their original positions in the X-Y plane with the adjusted object displayed at the object’s new relative depth.