According to the power relations: Matriarchy and patriarchy

Matriarchy and patriarchy are the terms defining family patterns according to the power relations. Matriarchy is the social organization based on female power. In matriarchal societies the head of the family is the mother. The term was adopted by 19th century anthropologists and social theorists. Matriarchal societies are not societies in which women rule over or dominate men. In this respect, matriarchy is not the reversal of patriarchy. Matriarchal societies are egalitarian societies, they are free of domination. However, there are social codes and guidelines.