The term 'Freudian Concept' refers to the psychoanalytic theories of Sigmund Freud, which are based on the idea that unconscious desires and motivations can influence behavior. The crossword solutions for this term include EGO (3 letters), EROS (4 letters), LIBIDO (6 letters), ID (2 letters), THEID (5 letters), EGOIDEAL (8 letters), and PLEASUREPRINCI (14 letters). EGO is the part of the psyche that mediates between the conscious and unconscious mind, while EROS is the life instinct that drives us to seek pleasure and reproduction. LIBIDO is the sexual energy that motivates us to seek pleasure, while the ID is the part of the psyche that contains our primitive instincts and desires. Theid is the part of the psyche that contains our moral values, while the Egoideal is the idealized version of ourselves that we strive to become. Finally, the Pleasure Principle is the idea that we seek pleasure and avoid pain.