Set: (1) The horizontal dimension of type. It refers to a fount of type and is used to determine the set width of individual characters. The set is divided into units so that Roman characters fake up the space proportionally.

• （1）字宽，（2）凝结:（1）印刷字体在地平线方向的尺寸，字宽是指整套字的，用来决定个别字符的字阔。字宽被分为很多份，每份为一单位，以便按比例分配给不同阔度的罗马字符。