Question

the purpose of an art is to provide visual appeal. true or false

Answer 1

That is worth a book or two. I suspect the answer is for your purposes is true, but are is more than appeal, there is a message in art also. Here is but one of many examples:

http://en.wikipedia.org/wiki/File:Michelangelo%27s_Pieta_5450_cropncleaned_edit.jpg