Typography Article

creativepro.com - dot-font: Using Expert Characters and Expert Sets

Extra typographic characters, the elements that make fine typography possible in digital typesetting, used to be unavailable in a standard font. If they existed for an individual typeface, they were packed into a second, supplementary font known as an 'expert set.' The expert set was a separate font, and you had to pay for it separately, but it was typically a fraction of the cost of the primary font.