Layout can be called a model of an object. It can be made full size, as well as in a reduced scale. In contrast to the layout of the object, usually devoid of its functionality. Usually layout made for pictorial representation of the object, if the original is for any reason impossible or unreasonably expensive. Layout can be architectural, then it shows the individual volume of the building or the whole area. Interior layout reflects the internal structure of the room.
Mock Up
Layout can be called a model of an object. It can be made full size, as well as in a reduced scale. In contrast to the layout of the object, usually devoid of its functionality. Usually layout made for pictorial representation of the object, if the original is for any reason impossible or unreasonably expensive ....