Run In - From any wave or mini wave: All (or designated) dancers facing out Run around adjacent (who slides over, i.e. normal Run) to form a couple facing in.
Run Out - From any wave or mini wave: All (or designated) dancers facing in Run around adjacent to form a couple facing out.
Facing in and facing out refer to the flagpole center of the four couple set unless the prefix 'box', 'in your box', or equivalent is called.
This definition is from SCVSDA Note Service by Bill Davis.
It is provided here for informational and educational purposes only.