In 1923, Freud introduced new terms to describe the division between the conscious and unconscious: "id," "ego," and "super ego." He thought these terms offered a more compelling description of the dynamic relations between the conscious and the unconscious. The "id" (fully conscious) contains the drives and those things repressed by consciousness; the "ego" (mostly conscious) deals with external reality; and the "super ego" (partly conscious) is the conscience or the internal moral judge.
				Manuscript page from the Ego and the Id, published in 1923. Sigmund Freud Collection, Manuscript Division, Library of Congress. Photo: Library of Congress/Courtesy of A.W. Freud et al.