Can you expand on Freud's psychoanalytic personality theory.I know the levels of mental life

Can you expand on Freud's psychoanalytic personality theory.

I know the levels of mental life

are unconscious, preconscious and conscious. The provinces of the mind are Is, Ego, and Superego. Can you expand on the provinces so I can better understand them? the dynamics of personality are drives such as libido sex aggression and anxiety. Please expand on these to fully grasp the context. the defense mechanisms are repression reaction formation displacement fixation regression projection introjection and sublimation . Please explain? How do these all work together for Frued's theory.