Basic (basic)
Contains uppercase & lowercase letters, figures, accented characters and punctuation. These fonts also contain currency symbols ($, ¢, €, £, ¥), standard ligatures (fi, fl), common diagonal fractions (one-quarter, one-half, three-quarters), common math symbols, superscript numerals (1, 2, 3) and other symbols (including daggers, trademark, registered trademark, copyright, paragraph, litre, circled P, and "estimated" symbol, etc.).
Latin 2 (latin2)
Support for the following Central, Eastern and Baltic European languages [as well as Western]: Croatian, Czech, Estonian, Hungarian, Latvian, Lithuanian, Polish, Romanian, Serbian (Latin), Slovak, Slovenian and Turkish. In addition to 1252 Latin 1, these fonts support 1250 Latin 2, 1254 Turkish, and 1257 Windows Baltic.
Extended Ligatures (liga)
Includes extended ligatures, e.g., ffi, ffl, ff, ft, fj.
Extended (extended)
Includes additional Latin characters beyond the combined
latin2 Western and Central European character sets to support languages such as Maltese and Esperanto.
Small Caps (smcp)
Fonts with small caps contain all of the
latin2 accented characters (and extended, if the base glyphs support extended) as well as the
ss01 feature to create roman numerals.
Oldstyle Numerals (onum)
A.K.A., non-lining numerals, or lower case numerals
Superscripts (sups)
Includes a complete set of superscript figures beyond the basic superior numerals (1, 2, 3).
Ordinal Numbers (ordn)
Includes superscript letters commonly used to create ordinal numbers such as 1st, 2nd, 3rd, 4th. The following letters are superscript in fonts with this feature: a.superior d.superior e.superior h.superior i.superior l.superior m.superior n.superior o.superior r.superior s.superior t.superior. The "sups" feature as well as the "ordn" feature controls these glyphs.
Stacked Fractions (afrc)
Includes a set of "nut" or "stacked" fractions that feature a horizontal bar separating the numerator and denominator. Only the following stacked fractions exist in fonts that Include this feature: one-half, one-third, two-thirds, one-quarter, three-quarters, one-eighth, three-eighths, five-eighths, and seven-eighths.
Diagonal Fractions (frac)
Includes arbitrary diagonal fractions. In addition to the common diagonal fractions found in the basic set (1/4, 1/2 and 3/4), these fonts let you type ANY diagonal fraction, such as 3/8, 7/16 and 11/32 as proper diagonal fractions.
Discretionary Ligatures (dlig)
Rare ligatures such as st or ct, and unlike the
liga feature, they are not on by default, meaning that the user would specifically have to select the feature. By contrast, the liga feature will substitute the ffi ligature, for example, whenever the letters f, f and i are typed in sequence.
Ending Forms (end)
Not a proper OpenType feature. Often used in conjunction with swashes and alternates, it includes a handful of letters with tails that are only appropriate when used at the end of a word.
Ornaments (ornm)
Includes symbols and dingbats that are appropriate for the design. Most, if not all, of the symbols that are included in fonts with the ornm feature are also available in stand-alone symbol fonts.
Slashed Zero (zero)