I assume it pertains to Lion-style window restoration. Before 10.7, when you restarted your computer, you had to open each and every app (and every window!) aga

I assume it pertains to Lion-style window restoration. Before 10.7, when you restarted your computer, you had to open each and every app (and every window!) again. Since 10.7, system (assuming the app cooperates, that is) does that for you and reopens everything.