A. Race refers to physical characteristics such as skin color, facial features, and hair texture. It is a biological classification and does not encompass shared values or practices. B. Culture encompasses the shared values, beliefs, behaviors, laws, customs, and traditions that bind a group of people together. It includes social relationships, economic and political systems, and norms of behavior. C. Ethnicity relates more specifically to shared ancestry, language, history, and cultural heritage, but it is narrower than the broader concept of culture. D. Social group refers to a collection of individuals who interact and share certain norms, but it does not necessarily imply a shared system of values, beliefs, and institutions as described in the question.