Tutorial 0: Welcome
OmniGraffle excels at clarifying complex relationships, and nothing says "complex relationships" like a Shakespeare romantic comedy. Let's try to make some sense of Much Ado About Nothing, and learn a bit about OmniGraffle in the process. Of course, this play is just a handy example; if there's another story you're more familiar with, you can go ahead and use it instead. The Tale of Genji, Steppenwolf, The Fifth Element... Whatever works best for you.
To get started, create a fresh document by selecting Template Chooser from the File menu; for this tutorial we'll use the "Basic" template.