The anthropological study of human group attributes that are acquired and transmitted by learning; such as, social organizations, technologies, languages, customs, traditions, religions, art, and so forth.

The theory that explains the formation of early cultures as the result of groups dividing, migrating, and slowly changing in response to new ideas and environmental stress: One example of cultural divergence exists within the U.S. with the Amish people who have voluntarily chosen to have very little contact with other cultures and lead their own lives including their own customs, clothing, and mode of transportation.

A region where a group's culture prevails: A cultural realm can be explained as a large geographical area where the people share a common cultural background, like the language, the way of life, religion, and traditions.

The rediscovery of a former cultural identity in which members of a culture which has been overwhelmed by another dominant culture strive to regain their former culture: Cultural revivalism entails a deliberate effort to link back to a shared past by paying special attention to heritage, language, and customs, to promote dignity and oneness.