在战国楚简文字中,有一个通常写作“■”的字形,此形有两三种异体,可以单独成字,也可以加意符“示”、“金”组成“■”、“釱”字,“■”与“釱”都有从“大”的异体,并且“釱”字有时就写作“釱”或“大”。以下先根据用法把这些字形分为两类,再根据字形结构把每类略分为两组: In the text of the Chu Kingdom of the Warring States period, there is a glyph usually written as “”, which has two or three different forms, can be used as a single character, or as an “ The words ”“, ”“, ”“, ”“ and ”“ all have their own variant from ”big “, and sometimes the characters ”“ ”Big". The following first according to usage these glyphs are divided into two categories, according to the glyph structure of each slightly divided into two groups: