This document discusses families, kinship, and descent from an anthropological perspective. It begins by outlining why anthropologists study kinship and the differences between families and descent groups. It then defines key terms like nuclear family, extended family, descent groups, family of orientation, and family of procreation. The document goes on to discuss how industrialization has impacted family organization and norms in places like the US, Brazil, Turkey, and foraging societies. It also defines matrilineal descent, patrilineal descent, and discusses how kinship is calculated through kinship terms that reflect the social construction of family in different cultures.