ETYM From Expose.
1. Presentation to view in an open or public manner.
2. The act of subjecting someone to an influencing experience.
3. The disclosure of something secret.
4. Vulnerability to the elements; to the action of heat or cold or wind or rain; or.
5. Abandoning without shelter or protection (as by leaving an infant out in the open).
6. Direction which a window or dwelling faces.
7. The intensity of light falling on a photographic film or plate.