(Adobe Font Metrics) A text file related to PostScript fonts that stores font metrics information such as character widths and kerning pairs. This file is often not needed as long as there is a PFM file (Windows format), so some fonts may come without an AFM file. Found on http://www.fontshop.com/glossary/
American Federation of Musicians. · audio frequency modulation: a method for recording high-fidelity stereo sound on home videotape recorders and on video discs. Found on https://www.infoplease.com/dictionary/afm