Lo1: Photographic terms

Aperture -
A space through which light passes in an optical or photographic instrument. The variable opening by which light enters a camera.

Depth of Field-
The distance between the nearest and the furthest objects that give an image judged to be in focus in a camera.

Exposure-
In photography, exposure is the total amount of light allowed to fall on the photographic medium.

Framing-
In photography and cinematography, framing is a technique used to bring the focus to the subject.

Compositions-

the way in which a whole or mixture is made up. The action of putting things together; formation or construction.