(Chinese medicine) a disease state occurring on the surface of the body, characterized by symptoms like chills, fever, and headache; an illness that has not yet affected the internal organs

(literary) to serve as evidence or proof; to demonstrate or verify

(literary) an outward physical sign or manifestation of something internal, such as character or fate; also used as a variant of 表征 biǎo​zhēng

(literary) an object or evidence used as proof of something, such as a severed ear or a personal item used for identification