First of all, let's look at the original meaning of the word "vice". In Shuo Wen Jie Zi, "Fu" was originally a verb, which meant to cut it open with a knife. The ancients wrote an iou or contract on a piece of bamboo, cut it in half with a knife, and each side of the lease held half. When paying off the debt, the figures of both sides were determined before the two sides were even. Therefore, when the word "vice" is used as a quantifier, it must have the characteristics of paired sets. For example, couplets are paired, because there are upper and lower couplets, so "vice" should be used; Another example is gloves, because there are left and right hands, which are also paired, so "vises" should be used; There are also chess, poker and so on. Because it is a group, we should also use "vice". Let's start with "width". The original meaning of "width" refers to the width of textiles, that is, the width of doors, so it has the characteristics of single sheet and plane. When the word "Zhang" is used as a quantifier, it is mainly used on cloth, woolen cloth, calligraphy and painting, such as a calligraphy and two Chinese paintings.
So use a picture to describe it.