Refers to a group of people who identify with each other based on a common experience, which might include geographic or national origin, ancestry, history, cultural and social norms, religion, race, language, ideology, food, dress, and other factors

The correct answer is ethnicity. Ethnicity is defined as a state or a fact of belonging to a certain social group by which it has a common cultural tradition or a common national tradition. This could also be defined as the interrelationship between the class or gender.