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I don't know if there's a name for this style of display, but it's the same as the way JSON is depicted on its official site. http://www.json.org

Edit: It's called a Railroad Diagram.

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No, it's called a finite state machine ;)

The FSM is the model, the Railroad Diagram is the view, to borrow terms.

Well, as long as we're picking nits, an FSM accepts only regular languages, while a rail road diagram accepts context-free languages[1]. So a railroad diagram isn't really the "view" for an FSM. A state-diagram or state-transition table is (although the whole MVC analogy is itself kind of weird. Where's the controller?).

[1] http://en.wikipedia.org/wiki/Syntax_diagram

>Where's the controller?

The MV* family of patterns seems to be okay without the notion of a controller.

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