What is ART?
 
Three theories or perspectives to look at art.

a)      emotivist theory - artistic expression of emotion, artist-based emotional theory of art
b)      sentimentalist theory - emotional responses of the viewer/listener, audience-based emotional theory of art
c)      rationalist theory - rational communication + rational production

Using the three perspectives we can try to look at art as:

Something created intentionally, being able to communicate anything that will elicit a determined set of emotions in the receiver