Emotion & Character Acting

Character Acting:
Listed on this wikipage are different types of roles for actors.
http://en.wikipedia.org/wiki/Character_acting

Emotion:
In its most general definition, is an intense mental state that arises autonomically in the nervous system rather than through conscious effort, and evokes either a positive or negative psychological response. An emotion is often differentiated from a feeling.
http://en.wikipedia.org/wiki/Emotion