Initial Forms
Standard Ligatures
Terminal Forms
Substitutes a special form of a letter occurring at the end of a word. (Common in Latin connecting scripts, and required in various non-Latin scripts like Arabic)
Fractions
Superscript
Replaces character with superscript version.
Ordinals
Replaces characters with ordinal forms for use after figures.
Case-Sensitive Forms
Shifts punctuation up to a position that works better with all-caps text.