On some pages within the DnD_Wiki namespace, you may see small infoboxes on the upper right hand corner that say something like:
What does this mean? It means that you can type just that short phrase into the search box on the sidebar, and you will be redirected to the page that the shortcut points to. For instance, the short cut to the Community Portal is DnD:CP. So if you were to type "DnD:CP" into the search box and press Search, you would be sent to the Community Portal.