fon = For use in on-screen menus and Graphical User Interface (GUI). No extension = PostScript (either screen or printer).You can tell what most font types are by looking at the extension. Knowing which fonts are PostScript, TrueType, or OpenType Note: The description for the 'Kind' attribute in the Preview pane (on the right in the image) is 'OpenType Font' The two OpenType files used in this example are ACaslonPro-Bold.otf and ACaslonPro-Regular.otf. When packaging your file, you will not see two files for each font as you will when you use PostScript fonts. OpenType fonts are only one file and have a. They incorporate all three files from the PostScript fonts into one file.

TrueType fonts were designed to eliminate the need for multiple files. See ' Sending the Correct Fonts to your Printer' below.

When you use a PostScript font in your design, make sure you include each of these files with your output. Note: The description for the 'Kind' attribute in the Preview pane (on the right in the image) is 'PostScript Type 1 outline font.' The two 'printer' PostScript fonts in this example are FutuBo (linked to Futura-Bold) and FuturBoo (linked to Futura-Book). In addition to this printer font you must also include the linked screen font (the blue and red lines show the relationship between two printer and screen fonts). The 'printer' font contains vector outlines of the font and is often named with an abbreviation of the full font name (FuturBol). *The Red and Blue lines show the relationship between the two parts of the PostScript fonts.

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