What is the meaning of exterior?

Exterior means outside part, outer surface, outer area, or outward appearance of something, opposite of interior which means inside. As noun, exterior means outside, outer side, outer shell, facade, outward look, for example exterior of house means outside walls, roof, siding, yard, and landscaping, exterior of car means outer body and paint, exterior of building means facade. As adjective, exterior means located outside or outer, for example exterior walls are outer walls of building, exterior paint is paint made for outside use that resists weather, exterior door is door that leads outside, exterior lighting is lighting outside. In figurative use, exterior can mean outward appearance or demeanor of person, as his exterior seems tough but he is kind inside, meaning outward look is tough but inner personality is kind. Origin from Latin exterior meaning outer or more outside. So exterior means outer, outside, external, outward, as in exterior design is design of outside of building, exterior finishes are materials on outside. For example, house with brick exterior means outside of house is brick. So exterior means outside, not inside, and refers to outer part and outward look.