What is the difference between a set designer and an art director?

Question: What is the difference between a set designer and an art director!?

i want to be an art director an i just wanna know the differenceWww@QuestionHome@Com

Best Answer - Chosen by Asker:

The art director decides how it should look
the set designer figures out how to get the look with the budget involvedWww@QuestionHome@Com