What does mainstream culture mean?

Mainstream culture refers to the dominant set of ideas, values, and practices that are widely accepted and practiced within a society at a given time. It encompasses popular trends in media, fashion, music, and social norms that are prevalent among the majority of the population. Mainstream culture often reflects the interests and influences of the largest demographic groups, overshadowing niche or alternative cultures. As society evolves, mainstream culture can shift, influenced by changes in technology, politics, and social movements.