This is a standard TrueType font format developed by Apple Computer in 1989. The advantage of TTF till now has been its high level of font display control right up to the pixel. It has a vector format so it’s easy to scale. Today TrueType is used in operating systems from Apple to Microsoft.
This is a format for storing raster images, developed by the Ulead Company. It can include several edible layers, like in a Photoshop document. The image raster format was transferred to the TrueType font system and allows for the presentation of graphical information in a text format.