TrueType font file. It's a font that can be installed in macOS, Windows, Linux and other operating systems. TTF are font files based on the TrueType specifications font technology.
TTF (TrueType Font) is a font file format used to store fonts for use in computer applications. It was introduced in the mid-1980s by Apple and has since become one of the most popular font file formats due to its flexibility and compatibility. The TTF file format stores font information as a collection of tables that describe the shape and appearance of each character in the font. Each table contains information about the x-height, ascenders, descenders, and other characteristics of the character.
