PostScript, Adobe’s page description language, can be used to store any kind of vector graphic from a simple shape to the structure of a complete page layout. Fonts for professional use, particularly with Macs, traditionally contain outlines as Type 1. PostScript Type 1 fonts consist of two parts: a bitmap file for screen display, for the reasons explained earlier, and an outline file. (They may also have extra files with the extension ‘.afm’ and/rd ‘.inf’; these are rarely used by software.) Several bitmap files – contained in a ‘suitcase’ on the Mac – are usually supplied in different on screen, and they will also be used if the outline file is missing. The outline font file is traditionally downloaded to the printer (which must have a