• SupportsMirroring flag tells if QuickDraw supports video mirroring via the Display Manager (same display on two different screens). • HasGrayishTextOr flag tells if this version supports text mode grayishTextOr. • HasDirectPixMaps flag tells if PixMaps can be direct (16 or 32 bit). • HasDeepGWorlds flag tells if GWorlds can be deeper than 1-bit. • HasColor flag tells if Color QuickDraw is present.