Definitions of Square Dance Calls and Concepts -- {direction} Anchor {fraction} [C4]

direction Anchor fraction -- [C4]
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C4:

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From a Couple.

Using the dancer nearest the given direction as the pivot point, Cast Off the given fraction toward the given direction. The pivot dancer starts and ends on the same floor spot. There is neither a default direction nor a default fraction for this call.

before
Right Anchor 1/4 after

Notes:

The given direction is usually Right or Left, but could also be In or Out (in reference to the Center of the Set).
Anchor is a positional call (like Cast Back, Cross Cast Back, Loop, Press direction, Shove Off, Tow Truck, and Truck). Inactive dancers do not move or otherwise adjust as they would during normal 'square breathing.'
Do not confuse Anchor with Cast Off. On the call Anchor, the pivot dancer remains on the same spot throughout the call. On the call Cast Off, the pivot point is half-way between the two dancers.

This is the starting formation
for each of the following:
after
Cast Right 1/2
after
Right Anchor 1/2

Variations: Line of 3 (or more) Anchor.

Anchor The anyone For anything [C4]: From applicable formations. Do the anything call with the designated dancer remaining on the same floor spot throughout the entire call. This frequently results in the ending formation being offset from the starting formation.

Comments? Questions? Suggestions?

C4:

This is the starting formation for each of the following:
after Cast Right 1/2	after Right Anchor 1/2