The term 'JAZZ CLUB UNIT' is composed of three words: 'JAZZ', 'CLUB', and 'UNIT'. The first word, 'JAZZ', is a genre of music that originated in the late 19th century in African American communities in the Southern United States. It is characterized by its use of improvisation, syncopated rhythms, and a strong emphasis on swing. The second word, 'CLUB', refers to an establishment where people gather for socializing, entertainment, or recreation. The third word, 'UNIT', is a group of people organized for a specific purpose. Together, the three words form the term 'JAZZ CLUB UNIT', which is a group of people organized for the purpose of playing JAZZ music in a CLUB setting.