Font terminology

Fonts are defined with this font terminology:

Type family
A type family is a group of typefaces that share basic design characteristics and encompass many size and style variations. Examples of type families include:
  • Courier
  • Helvetica
  • Times New Roman
A typeface is a collection of characters having the same style, weight, and width. Examples of these attributes are shown in Font terminology.
  • Style is the inclination of a letter around a vertical axis; for example, roman (upright) or italic (slanted).
  • Weight is the degree of boldness of a typeface; for example, medium or bold.
  • Width is the horizontal variation in a character design; for example, normal or condensed.
Type font, type size, and complement
A type font, or font, is a collection of characters sharing type family, typeface, and type size. Collections of characters for expanded core fonts are referred to as complements.
Note: In Type Transformer, complements are called character lists.

The next figure shows the basic components of a Helvetica type family, including typeface, style, weight, width, complement, type font, and type size.

Helvetica type family

This picture shows the hierarchy for the Helvetica type family.