Lighting

Key Light - Principal illumination whihc adds shadow and depth to the scene or target.

Fill Light - Extra light added from the side to add to the shadows created from the Key Light.

Back Light - Light coming from behind, which seperates the target from thebackground. This provides depth.

Ambient Light - Lighting whihc doesnt highight or subject a certain target. Used for room lighting etc.

Artificial Light - Man made light. Bulbs, car headlights etc.

Directional Light - Light which is directed as a beam to light a certain area.