Exposure has multiple meanings in the senses of exposing something or being exposed (to) something: 1. Public appearance, notice, attention, mention, or discussion, especially in the media. 2. The total amount of light received by a photosensitive surface. 3. Exposing the camera sensor to light from the captured environment. 4. The degree of action of a substance on a living organism. 5. A putting out or deserting without shelter or protection. 6. Orientation of rugged terrain relative to light and sun. Exposure of first-year students of the Department of Documentary Production to the ethics of documentary filmmaking.