How To Create Custom Taxonomies In WordPress – Smashing WordPress
A recent article How To Create Custom Taxonomies In WordPress – Smashing WordPress is helpful for wordpress theme designers.
It describes how custom taxonomies can be used for specific categories, such as location-based taxonomies. It also explains how to write specificic templates for each taxonomy and which functions are available for these new wordpress features.
The author concludes
Whether hierarchal or multifaceted, a well-implemented taxonomy will simplify the way content is organized and displayed on a website. WordPress has all of the tools you need to create custom taxonomies and to group your content in new and exciting ways.