Holds/macros:

A hold or macro is considered a size X when it fits within the circle of diameter Y, as shown in the diagram below.

Special case: a long, thin hold can exceed the circle of diameter Y, but remains size X as long as it does not fill more than half the circle.

Holds Size Repository

Volumes:

A volume is considered a size X when it fits within the circle of diameter Y, as shown in the diagram below:

Volumes Size Repository

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