The word building is both a noun and a verb also an adverb: the structure itself and the act of making it. As a noun, a building is 'a structure that has a roof and walls and stands more or less permanently in one place, "there was a three-storey building on the corner", "it was an imposing edifice". In the broadest interpretation a fence or wall is a building.

The word building is both a noun and a verb also an adverb: the structure itself and the act of making it. As a noun, a building is 'a structure that has a roof and walls and stands more or less permanently in one place, "there was a three-storey building on the corner", "it was an imposing edifice". In the broadest interpretation a fence or wall is a building.