A readable barcode that uses geometric patterns to store information; also known in mainland China as [[二维码|二維碼|er4 wei2 ma3]] or [[二维条形码|二維條形碼|er4 wei2 tiao2 xing2 ma3]].

A series of black and white stripes or symbols printed on a product to represent information such as name, model, and price; used for identification and management by scanners.

(Taiwan) a barcode used during checkout to electronically save a receipt (specifically for a [[统一发票|統一發票|tong3 yi1 fa1 piao4]]) to a cloud account, avoiding the need for a paper receipt