Character vs. Self (INTERNAL): a struggle between a character and his feelings, conscience, or fear.
Character vs. Society: A struggle between a character and the laws or beliefs of a group. This could involve poverty, politics, social norms, expectations, or values.
Character vs. Nature: A struggle between a character and nature. This includes weather, animals, insects, sickness, and epidemics.
Character vs. Character: A struggle, mental or physical, between two characters.
