Yves Peters wrote a useful, graphical roundup of the uses of punctuation characters at Creativepro.com.
It’s a great refresher for seasoned veterans, and a terrific resource to send to your budding designers. Here’s an example:
Jay Nelson is the editorial director of PlanetQuark.com, and the editor and publisher of Design Tools Monthly. He’s also the author of the QuarkXPress 8 and QuarkXPress 7 training titles at Lynda.com, as well as the training videos Quark includes in the box with QuarkXPress 7 . In addition, Jay writes regularly for Macworld and Photoshop User magazines and speaks at industry events.