Postscript Type 1 Font -
Contains the actual vector glyph data (e.g., .pfb on Windows).
It supports "hints," which are mathematical instructions that improve text appearance at low resolutions (300 dpi or lower). Comparison with Modern Formats postscript type 1 font
PostScript Type 1 (PS1) is a legacy font format developed by in 1984. For decades, it was the gold standard for professional desktop publishing and high-quality printing because its vector-based outlines allowed characters to scale to any size without losing quality. Technical Architecture Type 1 fonts are distinct for their two-file system : Contains the actual vector glyph data (e
Stores spacing, height, and kerning information (e.g., .pfm or .afm ). .pfb on Windows). It supports "hints
How To Prepare For The End Of PostScript Type 1 Fonts - Extensis