Wikipedia:WikiProject Portals/KeyNamespaces

Four key namespaces of Wikipedia
Portal namespace: The doorways to the encyclopedia. Contents/ (Outlines) → Featured content → Megaportals → Current events/ → Portals →	Main namespace: The encyclopedia's articles.	Category namespace: The network of classification systems to organize pages.
Wikipedia namespace:  The project's workspace, including WikiProjects on developing high quality articles in disciplinary subject areas and the Bookshelf.