Final answer:
Freud's theory proposed that behavior and thinking are influenced by the interaction of the id, ego, and superego, as well as unconscious processes that include repressed memories and desires.
Step-by-step explanation:
According to Sigmund Freud, four features that determine current behavior and thinking are linked to the dynamic interactions between the id, ego, and superego. Firstly, the id relates to our innate biological instincts, driven by the pleasure principle (eros) and the death drive (thanatos). Secondly, the ego serves as the conscious mediator that tries to satisfy the id's desires realistically and safely, abiding by the reality principle. The superego is the internalized societal and moral standards that often conflict with the id's impulses.
Lastly, Freud suggested that unconscious processes, including repressed memories and desires, significantly influence our behavior and thinking. These aspects of the mind play a crucial role in shaping personality and are responsible for psychological tensions and defense mechanisms.