1. The outside or outer part of something:
* Example: The exterior of the house was painted a bright yellow.
* Other uses: exterior design, exterior walls, exterior lighting
2. Relating to the outer world or environment:
* Example: The exterior world was a cold and harsh place.
* Other uses: exterior factors, exterior pressures, exterior influences
3. In mathematics, it refers to the outside of a set or shape:
* Example: The exterior of the circle is the area outside the circle.
4. In film and theater, it refers to a shot taken from outside a building or location:
* Example: The scene started with an exterior shot of the bustling city street.
It's important to consider the context of the sentence to determine which meaning of "exterior" is intended.