Foundations I Art Class Project

Our professor assigned a folio project for our class. The first page requires us to answer the question "What is art?"
We can quote others if we wish, or we can write our own definitions. Here is mine.

Art results from the methods in which the artist may manipulate various materials in diverse styles — via color, form, and other sensorial elements and principles — to evoke specific emotional, intellectual, and/or physical responses from his or her audience,  be it admiration, fear, disgust, wonder, etc.

What do you think? Have I missed something? Or should it be narrowed down somewhat?