Space is like a foundation that a house if built on. This is the basics like windows, flooring, walls and doors. The other elements of design are built up like floors but space is the element that pulls everything together. Space is divided into categories: Two Dimensional Space and Three Dimensional. Two Dimensional includes the width and length of the floor plan. Where Three Dimensional includes the floor plan and living space. A negative space is a room with no furniture or accessories, where a positive space has many pieces in it.