シンボル

(1)an arbitrary sign (written or printed) that has acquired a conventional significance

(2)慣習的な意味を獲得した任意の（書かれたまたは印刷された）記号

(3)something visible that by association or convention represents something else that is invisible; "the eagle is a symbol of the United States"

(4)見えない何かを表現する関連性、伝統的表現法による見える何か

(1)