符號學

A tally or symbol used as a token or proof; a written charm or talisman; a mark or sign; a surname.

To call out; to wail or howl; a name or appellation; a number designation; a signal or bugle call; a size or type; classifier for numbered items.

To learn or study; to imitate or mimic; knowledge or learning; a school or place of education; a school of thought or doctrine.