Bob Baxley has a nice article on common structures in web applications over at Boxes and Arrows. He claims that
...taken together, hubs, wizards, and guides comprise the full universe of task flows applicable to web applications and form the basis of all web-based processes and transactions.
This diagram from the article should make the three structures pretty clear:
One of the points I was trying to make in my previous post was this: most people seem to grok that Seaside is useful for "wizards", and maybe even for "guides". What I'd like people to realize, however, is that Seaside is also extremely adept (maybe even more adept) at hubs. Continuations aren't just the arrows, they're also the lines - the spokes in the hub. The beauty of Seaside is that you get complete separation of all the box-and-circle bits of those diagrams from all the line-and-arrow bits. That lets you move the little red circles around, and reuse them, much more effectively.
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