The Font List
The font list displays all fonts that are included in the currently selected item in the Source list.
The following different items can be found in the font list:
TrueType or PostScript fonts
TrueType or PostScript fonts located in /<user>/Library/Fonts or /Library/Fonts
TrueType or PostScript fonts located in /System/Library/Fonts
OpenType fonts
OpenType fonts located in /<user>/Library/Fonts or /Library/Fonts
OpenType fonts located in /System/Library/Fonts
Suitcases
Suitcases located in /<user>/Library/Fonts or /Library/Fonts
Suitcases located in /System/Library/Fonts
OpenType group
OpenType group located in /<user>/Library/Fonts or /Library/Fonts
OpenType group located in /System/Library/Fonts
Font families
To see which Sets/Smart Sets contain a selected font, hold the option (⌥) key. The appropriate Sets will be highlighted.