The shifted punctuation smartkey converts < into , and > into . 

The doubled capitals smartkey nullifies the second of two capitals typed when the second one is followed by a lowercase letter.

The ligatures smartkey replaces the component letters of a ligature into one as they are typed.

The quote smartkey converts neutral quotes (' and ") into true quotes (‘ ’ and “ ”).

The dash smartkey replaces two hyphens (--) as they are typed into a dash (—).

The space smartkey prevents typing of more than one consecutive space.