The four room house is so named because its floor plan, divided into four sections; it is also sometimes called a pillared house because three ground-level "rooms" are separated by two rows of wood pillars holding up the second floor.
The four room house is so named because its floor plan. Its floor plan is divided into four sections. It is also sometimes called a pillared house. Three ground-level "rooms" are separated by two rows of wood pillars. Three ground-level "rooms" were holding up the second floor.