95dc162e_Glossary_of_Dance_Terms__m_Dance_Dictionary_from_Webref
Side and Back [Abbreviations] sd & bk
A step on the diagonal between a side step and a back step. Sometimes a distinction is made between "side and back" (a little more side) and "back and side" (a little more back).
Glossary of Dance Terms
Description Glossary of Terms and Abbreviations from BallroomDancers.com Dance Dictionary from Webref