the five long bones located in the foot between the ankle and the toes; metatarsus

(Commelina communis) a creeping annual herb with small blue flowers; used in Chinese medicine, as a source of dye, and occasionally as a wild vegetable

the point on the earth's surface that is exactly opposite to a given location

notorious legendary bandit leader of the late Spring and Autumn Period

to serve one's own master faithfully regardless of the virtue of the person one is attacking; literally, the bandit Zhi's dog barks at the sage king Yao

to act solely in the interests of one's master regardless of their character (alluding to the robber Zhi's dog barking at the sage king Yao)