The default preview text in Font Book uses the upper- and lower-case alphabet, along with the first 10 numerals. If “ABC” and “123″ aren’t helping you visualize a font decision for a Web project or document, you can use custom preview text in Font Book instead. Here’s how.
The Character Palette is used to insert special characters in Mac OS X documents. This handy core service includes numerous glyphs, dingbats, accented letters, mathematical symbols and much more. You probably have a handful of special characters that you use often. Would you like quick access to your favorite special characters? Here’s how.