standard; criterion; rule; compass and ruler
carpenter's square; upside-down and mirrored L-shape (used in traditional shop logos combined with another character); (arch.) perpendicularity; (arch.) straightness; (arch.) model; (arch.) standard
rule; law; model; pattern; teachings of Buddha; Buddhist doctrine
square wave; rectangular wave
following the desires of one's own heart without transgressing what is right
rules and standards; norms; criteria
carpenter's square (for checking angles); common shaku (unit of distance; approx. 30.3 cm)
carpenter's square; instigation; suggestion; metal wire with a prop animal (e.g. butterfly, bird) attached to the end; rod used to control the arm of a puppet (in bunraku)