What is a Ceiling?
A ceiling is the top interior lining of a room that covers the underside of the floor or the roof above it.
The different types of ceilings include the plafond ceiling that is flat or vaulted with decorative elements, the lacunar ceiling which is a ceiling, soffit, or vault with recessed panels, and cove ceiling that has a concave surface at the edge of a ceiling that gets rid of the angle between the wall and the ceiling.