95dc162e_Glossary_of_Dance_Terms__m_Dance_Dictionary_from_Webref
Reverse Line of Progression [Abbreviations] rev line of prog
The opposite direction the movement or flow of the dance is currently moving. May be line of dance or reverse line of dance. In general, if the couple is in closed position or semi-closed position facing the center of hall or reverse line of dance then the reverse line of progression is counter-clockwise or line of dance.
Glossary of Dance Terms
Description Glossary of Terms and Abbreviations from BallroomDancers.com Dance Dictionary from Webref