What are some of the concepts addressed in the Laws of Manu, Mahabharata, Ramayanna, Bhagavad-Gita and Puranas?

1. Address some of the major themes and ideas that appear in the early Hindu Scriptures (Vedas, Upanishads, Brahmanas). How are the Vedas different from the Upanishads? What are some of the concepts addressed in the Laws of Manu, Mahabharata, Ramayanna, Bhagavad-Gita and Puranas? Why are each of these works considered to be important? (You don’t have to wricixte about all of them.)