TFontSet
	Fonts[aBoldness, aSlant] : TFont

TOSFileSource
	Name
	MTime
	Revision

TFont /* for one Boldness and Slant */
	# to enable refreshing:
	FileSource : TOSFileSource

	Glyphs[aCharacterCode] : TGlyphVersions

TGlyphVersions /* versions (bitmap, vector, detailed vector, ...) of the SAME glyph */
	Glyphs[FontSize limits (beginning, end)] : TGlyph

TGlyph

TBitmapGlyph extends TGlyph
	#FontSize
	#Boldness
	#Slant

	# Baseline # per font?

	Bitmap
	
TBezierGlyph extends TGlyph
	#??? FontSize limits...
	#Boldness
	#Slant

	#Baseline # per font?

	Points