Point size: Alternative term for type size. The point size is the distance from the belly of a type to its back. Also, it is the distance between the ascender line and the descender line of a typeface design.

• 字大小:铅字粒的字腹到字背间的距离。亦即是字面设计上的上升笔划线到下降笔划线间的距离。