exterior
The term "exterior" refers to the outer surface or appearance of an object, building, or person. It encompasses everything that is visible from the outside, such as the walls of a house, the skin of a fruit, or the clothing worn by a person. The exterior can influence perceptions and often plays a significant role in aesthetics and design.
In architecture, the exterior of a building includes elements like windows, doors, and roofing materials. It is important for both functionality and visual appeal. In nature, the exterior of an animal can provide camouflage or protection, showcasing the diversity of adaptations in different environments.