Final answer:
The ego operates under the reality principle, finding ways to satisfy the id while considering the demands of the real world.
Step-by-step explanation:
In psychology, the ego operates under the reality principle, trying to find ways to satisfy the id that accord with the demands of the real world. The id contains our most primitive drives or urges and operates on the pleasure principle, seeking immediate gratification. The superego, on the other hand, acts as our conscience and develops through social interactions, guiding us on how we should behave.