What does the term river stage mean? Water science questions and answers, from the USGS Water Science School
According to Sigmund Freud, the ego is part of personality that mediates the demands of the id, the superego and reality. The ego prevents us from acting on our basic urges (created by the id), but also works to achieve a balance with our moral and idealistic standards (created by the superego).
ego. 1  The part of you that defines itself as a personality, separates itself from the outside world, and considers itself (read: you) a separate entity from the rest of nature and the cosmos. 2  The main reason that I am better than you. 3  Relating to thinking about yourself or centering everything around yourself.