95dc162e_Glossary_of_Dance_Terms__m_Dance_Dictionary_from_Webref
Beat [Abbreviations] bt
A beat or count is one unit or accent in the recurring rhythm of a piece of music. In most dance music, you can count four instances of emphasis per measure. Waltz beats recur in groups of three.
Glossary of Dance Terms
Description Glossary of Terms and Abbreviations from BallroomDancers.com Dance Dictionary from Webref