正交群

• 一(straight line; boundary; destination)ASSOCIATIVE
• 止(stop; foot)RADICAL

A foot stopping exactly at the line is straightness and precision.

• 六(six; intersection)ASSOCIATIVE
• 乂(cross; intersect)PHONETIC

Two diagonal lines crossing like human legs stepping represent intersection and exchange.

• 君(king; leader)PHONETIC
• 羊(goat; sheep)RADICAL

A flock of sheep needs a leader to guide them, just as a king leads his people.