To a portal page: This is a redirect from any page inside or outside of portal space to a page in that namespace. The above category link leads to a list of redirects from inside portal space. For a list of redirects from outside portal space, see Category:Redirects to portal space.
From a shortcut: This is a redirect from a shortcut in any namespace to a page in any namespace except template namespace.
If target page is a template, then use {{R from template shortcut}} instead. Shortcuts are wikilinked on community pages, talk pages and edit summaries, but not in mainspace articles.
Note:Template talk pages are in a talk namespace; they arenotin the template namespace. All shortcuts to talk pages should be tagged with {{R from shortcut}}.
When appropriate, protection levels are automatically sensed, described and categorized.