You might ask: Is it OpenType or TrueType? The answer:
If you open the font in a tool like TTX or DTL OTMaster, you would see:
Get-ChildItem C:\Windows\Fonts\arial*.ttf | ForEach-Object $_.VersionInfo arialnormal opentype truetype version 701 western
This is where confusion often arises. is a rasterization technology — the mathematical system that tells your screen how to draw the curves of each letter. OpenType fonts actually fall into two categories:
Arial的前身可以追溯到1982年，当时Monotype公司的设计师Robin Nicholas和Patricia Saunders着手为IBM的激光打印机设计一款字体。这款字体最初的名字不是Arial，而是“Sonoran Sans Serif”。它的诞生带有明确的商业意图：作为Linotype公司久负盛名的Helvetica字体的直接替代品，为用户提供一个成本更低的方案。Arial在字距、字重等方面与Helvetica极为接近，但在设计细节上，其笔画末端为斜角切割，曲线处理也更柔和，因此在屏幕上的可读性较好。 You might ask: Is it OpenType or TrueType
The keyword is far more than an error message or file property. It is a precise coordinate in typographic space. It tells you:
If you plan to embed arial.ttf directly into a commercial mobile application or upload it to a server as a web font via @font-face , you generally need a specific web font license from Monotype. Editable embedding allowed (can be bundled into PDFs
Editable embedding allowed (can be bundled into PDFs and website code legally under proper OS licensing)
This indicates a TrueType-flavored OpenType font (.ttf) . It uses the OpenType wrapper format but contains TrueType mathematical curves (quadratic Bézier splines) rather than PostScript curves (.otf).