The term 'RAVE' is a four letter solution to the crossword clue 'overnight party with techno music'. A RAVE is an all-night dance party featuring electronic music, often with a focus on techno, house, and trance. Raves are typically held in large, open spaces such as warehouses, fields, or abandoned buildings, and often feature light shows, lasers, and other visual effects. Raves are known for their vibrant atmosphere and often involve dancing, drug use, and other forms of self-expression.