DVI files can only contain references to typefaces, rather than the sets of raster or vector glyphs that other formats like PostScript allow. Source: Internet
Additional typefaces allowed the user to vary the text appearance of printouts. Source: Internet
Consequently, the glyphs in the typefaces need to be accessed whenever a request is made to view, print or convert a DVI file. Source: Internet
Copyright protection is available for the representation of a typeface in software (a computer font), and the names of typefaces can be protected by trademark. Source: Internet
Designers often used unique display typefaces that worked harmoniously with the image. Source: Internet
Designers often use typefaces to set a theme and mood in an advertisement; for example using bold, large text to convey a particular message to the reader. Source: Internet