BUILDING
building. A structure with walls and a roof, esp. a permanent structure. • For purposes of some criminal statutes, such as burglary and arson, the term building may include such things as motor vehicles and watercraft.
accessory building.A building separate from but complementing the main structure on a lot, such as a garage. • The question whether a structure is an “accessory building” is often litigated in zoning disputes.[Blacks Law 8th]