Rattle wrote:
] ] Diagrams are an essential tool for communicating
] ] information architecture and interaction design in Web
] ] development teams. This document discusses the
] ] considerations in development of such diagrams, outlines
] ] a basic symbology for diagramming information
] ] architecture and interaction design concepts, and
] ] provides guidelines for the use of these elements.
]
] The set of elements is available for every major drawing
] program.

Seems like watered-down UML to me. Not that that's necessarily
a bad thing ...

RE: jjg.net: a visual vocabulary for describing information architecture and interaction design