The Great Gatsby Movie Discussion Questions?

Compare and contrast Gatsby's social class with that of Tom and Daisy Buchanan. How does geography contribute to the definintion of social class in The Great Gatsby? What part of his past is Gatsby trying to recapture? Is he successful? is there a person, feeling or event in your past that you'd want to visit?

I don't understand what is the question: Discuss Fitzgerald's use of symbols, such as the eyes of Dr. T.J. Eckleburg, the green light on Daisy's dock and the valley of ashe