The document discusses social theory and institutions and their role in society. It defines social institutions as patterned ways of organizing social relationships and behaviors to meet societal needs. Social institutions provide norms and roles to guide behavior and achieve specific goals through established practices and procedures. The document lists key functions of social institutions like the family, including regulating sexual behavior, socializing children, and providing economic and emotional support. It notes that what constitutes a family can be interpreted differently based on competing ideologies.