Definition: Key light; main light or primary - Photokonnexion

Key light - the primary light in an array of other lights that are used in a scene. The key light is very important and getting it in place sets the scene.

What is Key Light? How to Use it For Better Photos & Videos

Definition: High Key lighting/photography - Photokonnexion

What is Key Light? How to Use it For Better Photos & Videos

Key light vs fill light: What's different and how to use? – COLBOR

Key light - Wikipedia

Refraction definition (optics) - Photokonnexion

What does it mean for a photograph to be “high key”? - Quora

What is a Photon Definition of Photon

Light and Lighting Archives - Photokonnexion

What Is a Key Light? Our Complete Guide To Key Lights

What does it mean for a photograph to be “high key”? - Quora

Key Light In Photography: Mastering the Main Light Source