From outside category namespace: This is a redirect from a page outside the category namespace to a category page. This redirect page must be outside the category namespace.
Redirects in category namespace are soft redirects, and rcats must never be used to tag soft redirects.
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 are not in 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.