Many fonts use so-called features, to provide you with a certain intelligence. This alphabetically listed properties give my fonts additional functions. These functions can (but need not) be included in the desired font. Learn the actual font OpenType features included via the link »technical information« in the font preview.
When you click on an icon below, you can learn more information about each feature.
More information about this topic, see this address: http://www.microsoft.com/typography/otspec/ttoreg.htm