the.com/measurements
Reality, reduced to numbers small enough to argue about.
means The precise quantities of size, distance, weight, or time you assign to something so others agree on it.
from From Latin mensura, a measuring, via metiri, to measure — the same ancient root that gave us moon, mensa, and the steady rhythm of meter.
Royal bodyThe foot literally came from an actual foot.
Pinch precisionNASA lost a Mars orbiter to metric-imperial confusion.
Defined constantThe meter is now defined by light's speed.