Summary

We've seen a lot, with only the briefest of explanations. We've seen what a Jtrix program (a ``netlet'') looks like, and how we can describe it as XML (its ``netlet descriptor''). And we've seen how we can run it, and seen it attach to an external service and use that service.

Of course, this is not meant to be crystal clear right now. And that, and more, is what the rest of this document is all about...