Zhèngmǎ

Traditional: 鄭碼

Zheng coding / original Chinese character coding based on component shapes, created by Zheng Yili [[鄭易里|郑易里<ZhèngYìlǐ>]], underlying most stroke-based Chinese input methods / also called common coding [[字根通用碼|字根通用码<zìgēntōngyòngmǎ>]]