The structure of NSC's new website was not accurately expressible through a traditional tree sitemap; the site's highly inter-connected nature was lost. Representing the structure as a neighborhood, rather than a tree, turned out to be the clearest way to express the actual feel of the site's structure. While the other technical members of the team didn't need this kind of visualization to make sense of the structure, the executives found this way of expressing the site structure very helpful.
Structural Model: Isometric Sitemap
Unique structures need to be represented uniquely.