Designates a building or structure that is detached from the primary building or structure and whose use is ordinarily accessory in nature and subordinate to the use of the primary building or structure. It is not used to provide shelter to humans or animals and is located on the same parcel of land as the primary building or structure (e.g. shed, garage, gazebo, stoop, patio, enclosure, swimming pool, embankment, excavated soil).