Look at the construction, its points and its distances. Ratios between distances are what become frequencies.
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The complete construction, whatever is shown in the drawing.
Each length divided by the reference length gives a ratio r. These ratios become frequencies in the next step.
| Measurement | Length | Ratio r |
|---|---|---|
| r(C0) | 1.0000 | 1.0000 |
One circle of radius R centred at the origin.
Symmetry: Continuous rotational symmetry O(2).
Often read as unity or wholeness in many traditions.