The document is a chapter from a sociology textbook that discusses the concept of culture. It defines culture as the totality of learned behaviors and beliefs shared by a society. It explores how culture has developed around the world through processes like innovation, diffusion, and responses to technology and globalization. The chapter also examines key elements of culture, including language, norms, values, and how the dominant ideology can shape a culture. It analyzes cultural variation through subcultures and discusses cultural shock. In the end, it discusses different attitudes toward cultural variation such as ethnocentrism and cultural relativism.