95dc162e_Glossary_of_Dance_Terms__m_Dance_Dictionary_from_Webref
Line of Progression [Abbreviations] line of prog
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 wall or LOD then the line of progression is counter-clockwise or LOD.
Glossary of Dance Terms
Description Glossary of Terms and Abbreviations from BallroomDancers.com Dance Dictionary from Webref