Notes:
- 3:26 Coordinate System
- 6:48 Projection
- 9:44 Local vs World Coordinate Systems
- 11:35 Game Objects
- 18:23 Lighting
- 19:58 Components
Manual:
https://docs.unity3d.com/Manual/GameObjects.html
Scripting:
https://docs.unity3d.com/ScriptReference/GameObject.html