the.com/rules
The fences we build so we can argue about where the gate goes.
means Agreed-upon statements that tell you what you must, may, or must not do.
from From Latin regula, a straight stick used to measure and draw lines — literally the rod that keeps things in line, later the line itself.
Sister wordRuler measures because it once enforced order.
Exception clauseMost rules secretly carry their own escape hatch.
Rule of thumbFolk approximation, not the cruel measuring myth.