Photography is the process of making photographs by exposing light over a controlled amount of time to a light-sensitive medium, such as a digital sensor or photographic film. This is done through a device known as a camera. Cameras are essentially light-proof boxes that house the light-sensitive material.

The word “photography” was created from Greek and the simplified meaning is more or less:  “representation by means of lines” or “drawing”, together meaning “drawing with light”.

Source: OES Wiki