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FontFamilyFontSubstitutions

FontTracking

FilledSmallSquareFontTracking is an option for Cell, StyleBox and StyleForm which specifies how condensed or expanded you want the font in which text is rendered to be.

FilledSmallSquare Typical settings are "Condensed" and "Expanded". The default is "Plain".

FilledSmallSquare For some fonts and on some computer systems, additional settings are supported, such as "Narrow", "Compressed", "SemiCondensed", "Extended" and "Wide".

FilledSmallSquare See notes for FontFamily.

FilledSmallSquare See The Mathematica Book: Section 2.10.10.

FontFamilyFontSubstitutions