What is interior called?

Interior is called by different names depending on context. As general term for inside space, interior is also called inside, inner part, inner space, internal area, inner side, or core. In a house, interior is called inside of house, indoor area, interior space, living space, or finished space. In design profession, interior is called interior design, interior decorating, interior architecture when structural, home interiors, residential interiors, or interior styling. In real estate, interior is called interior floor area, interior square footage, or livable area. In car, interior is called cabin, cockpit, passenger compartment, or inside. In anatomy, interior is called internal part, inner cavity, or internal organs. In geography, interior is called inland, hinterland, heartland, or interior region. As adjective, interior is called inner, internal, inside, or inward. For example, interior walls are also called inner walls or internal walls. So interior has many alternative names like inside, inner part, internal area, and cabin, but standard term remains interior, especially in design and construction where it is commonly called interior or interior space.