The browse category is a central category seated at the top of the Category Tree. This page is only to directly contain subcategories at the top of the wiki's proper organization. Any pages deemed as a page a user would pass by upon a regular 'browse' of the site may also be put into this page.
Though this page is at the top of the category tree, it is not a full list of categories at Last Level. Instead, a full list of existing categories can be found at Special:Categories.