Class

1. Term used in object-oriented programming to refer to a set of related objects that share common characteristics. Classes and the ability to create new classes are what make object-oriented programming a powerful and flexible programming model.
2. When referring to a game a class is a type of character based off abilities. For example, warrior and mage are both examples of game classes, a warrior is often strong can withstand a lot of damage but doesn't often deal much damage. A mage class is the complete opposite, a class that can often deal a lot of damage but can't take much.

Also see: Game definitions, Programming definitions, Race