male reproductive organ; also known as 阳物 yáng​wù

(literary) affairs of state or matters conducted outside the home, such as sacrifices or court audiences

(literary) the virtues or roles belonging to those in superior positions according to traditional thought, such as a ruler, father, or husband

(archaic) the path of the moon relative to the sun, such as to the north of the ecliptic, as described in ancient Chinese astronomy

(literary) the correct way or the orthodox path

military strategy or tactics; often paired with 阴符 yīn​fú as in Ming dynasty literature