The TT font family could refer to various font collections. One well-known example is the "TT Labs" or simply "TT" fonts, which include a wide range of modern, clean, and highly legible fonts designed for digital use.
This package includes the classic Microsoft TrueType core fonts, including Symbol TT Regular. symbol tt regular font
The Symbol font was originally created by for Adobe in the mid-1980s. It was designed to be one of the "Standard 35" fonts included with PostScript printers. The TT font family could refer to various font collections
Symbol is one of the "Base 14" fonts that were historically built into PDF viewers and PostScript printers to ensure documents looked the same on any device. 4. Comparison with Modern "TT" Fonts symbol tt regular font