Definitions of Square Dance Calls and Concepts -- Orbit Circulate [C4]

Orbit Circulate -- [C4]
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From Parallel Waves.

Orbit Circulate [C4]:: The right-most Leader of each Wave does a 'big' Zoom away from the Center of the set to end in the position diagonally behind their starting position (Trapezoid Zoom) as the others Trade Circulate. Ends in opposite-handed Parallel Waves.
Left Orbit Circulate [C4]:: The left-most Leader of each Wave Trapezoid Zoom as the others Trade Circulate. Note: Left Orbit Circulate is not the Mirror version of Orbit Circulate. The Trailers pass Right shoulders on both Orbit Circulate and Left Orbit Circulate. This is important on 1/2 Left Orbit Circulate.
Twin Orbit Circulate [C4]:: Leaders Trapezoid Zoom (passing right shoulders as they pass) as Trailers Trade Circulate. Ends in opposite-handed Parallel Waves. This call can be fractionalized into halves.

before
Orbit Circulate after

before
Twin Orbit Circulate half-way after

Notes:

We once saw Orbit Circulate generalized by a well-known Challenge caller. From any Parallel Lines: The right-most Lead dancer does a Trapezoid Zoom as the others Crossover Circulate. We like this definition since it allows Orbit Circulate to be done from many more starting formations.
The 'orbiters' work away from the Center of the Set, going around the outside for their Trapezoid Zoom.

Orbit-Board anything [C4]: Leaders (who must be in Waves) Orbit Circulate as the others do the anything call working in a distorted 1 x 4.

Orbit-Box anything [C4]: Leaders (who must be in Waves) Orbit Circulate as the others do the anything call working in a distorted 2 x 2.

Twin-Orbit-Board anything [C4]: Leaders (who must be in Waves) Twin Orbit Circulate as the others do the anything call working in a distorted 1 x 4.

Twin-Orbit-Box anything [C4]: Leaders (who must be in Waves) Twin Orbit Circulate as the others do the anything call working in a distorted 2 x 2.