Every point equally far from one centre. The shape with no beginning, which is why it means return and belonging.

The closed path energy travels — a loop that works because it returns; in practice, one full round of a course.

The distance from a centre to an edge. It defines a reach, and by defining it, a boundary.

Having its corners taken off. Softened at the edges so nothing catches.

The seal — the verse where the poet names themselves inside the work, so authorship travels with it. The license as data rather than prose: three grants never one, the copyright never moving, and the seal always evidence, never a lock. Greek joins the naming strata.