1. The document discusses the history and evolution of discos and nightclubs from the 1970s onwards. It describes how disco clubs originated as liberating spaces for marginalized communities and how they grew into major scenes in cities centered around disc jockeys and elaborate lighting.
2. A discotheque is described as a place where music is provided by a DJ with a wide selection of music, a dance floor with dim lighting, and professional sound and lighting equipment. Food is not a major focus.
3. Various famous clubs from Dubai are listed from the past including details about their locations, atmospheres, and music styles.