Faceted navigation lets people browse a website by using Faceted Classification to automatically generate relevant hyperlinks. If you want to see an example of faceted navigation in action, go to the BrowseFacets page and start clicking, paying attention to the categories on the left-hand side. …An essential part of FacetedNavigation is that the interface lets you view items that are in more than one category. In other words you can intersect two sets of items….Most hierarchical categorization systems only let you view one hierarchy at a time.