Changes figures from oldstyle to the default lining form.
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)
Small Capitals From Capitals
Turns caps (and sometimes also numerals and punctuation) into small caps. Mostly used together with Small Capitals feature to get an all-small caps setting.
Replaces characters with ordinal forms for use after figures.