Heads part: Face partner and back up four steps to face in. Walk forward four steps and face in again. Go into the center and Curlicue with opposite and then Walk and Dodge and turn to face partner.
Sides part: Go into the center and Curlicue with opposite, then Walk and Dodge to the head position and turn to face partner. Back up four steps and face in, then walk forward four steps and face in at the sides. All do the above routine twice through.
This definition is from The Handbook of Modern Square Dancing by Jay King.
It is provided here for informational and educational purposes only.