Regarding the categories specifically, it's best to maintain a "tree" structure. A page should not connect to categories which also contain subcategories it links to. Also, it should link only to categories which contain it, not categories which the page topic can contain. In other words, a page "drug" should be in the category "medicines" but not in a category "antibiotics".<br /> | Regarding the categories specifically, it's best to maintain a "tree" structure. A page should not connect to categories which also contain subcategories it links to. Also, it should link only to categories which contain it, not categories which the page topic can contain. In other words, a page "drug" should be in the category "medicines" but not in a category "antibiotics".<br /> |