These use quadratic B-splines. They are the traditional Windows standard and are known for excellent "hinting" (how the font renders at small sizes). OpenType Wrapper:
| Property | Expected Value | | :--- | :--- | | | Arial | | Subfamily | Bold (or Normal 700) | | Weight | 700 (Bold) | | Width | 5 (Normal/Medium) | | Format | OpenType (with TrueType outlines) | | File Extension | .ttf or .otf | | Glyph Count | ~300–400 (Western subset) | | Version String | Possibly Version 3.00 or 5.10 (modified to say 700) | | Embedding Rights | Often "Installable" in repacks, vs "Restricted" in official fonts | Arial — normal — OpenType/TrueType — Version 700