Most commonly, a wall delineates a building and supports its superstructure, separates space in buildings into rooms, or protects or delineates a space in the open air.
A wall delineates a building. This is most commonly. A wall supports its superstructure. This is most commonly. A wall separates space in buildings into rooms. This is most commonly. A wall protects or delineates a space in the open air. This is most commonly.