The child finds pleasure in bowel movement where he or she obtains pleasure from holding or moving his or her bowels. The focal body part is the anus. Through toilet training, the child learns how to regulate bowel movement.
Its onset is in the initial years of a child's life and is the most related to reality. It makes sure that the desires of the id are gratified through means that are pragmatic, harmless means that are within bounds of societal norms.
It is the part that decides whether something is right or wrong, good or bad based on our parents, family, and society's morals and standards of behavior.