This video explains what a sprite sheet is and how it can help you to reduce memory in your game or application you are developing.
It shows how individual sprites are composed into one big texture - the sprite sheet.
Get more information about how to create a sprite sheet at codeandweb.com/texturepacker
Idea, story board and text - Andreas Löw
Animation - Daran Carlin-Weber
Voice - Bob Hughes
Additional help and ideas - Patrick Langer