The term REPEATED BIT IN JAZZ refers to a RIFF, which is a short musical phrase that is repeated throughout a song. A riff is usually composed of a few notes and is often used as a hook or signature phrase in jazz music. It is typically played by a single instrument, such as a guitar or saxophone, and is often used to introduce a song or to provide a bridge between sections. Riffs are an important part of jazz music and can be used to create a sense of continuity and familiarity.