The correct answer is Tradition. In the movie, "Fiddler on the Roof," the theme revolves around the importance of tradition in the lives of the people in the village of Anatevka. Tradition is deeply ingrained in their culture, shaping their values, beliefs, and way of life. It is a source of stability, identity, and continuity for the community, and everyone in Anatevka believes in upholding and preserving their traditions despite the changing world around them.