This is a documentation subpage for Template:Further (see that page for the template itself).
It contains usage information, categories and other content that is not part of the original template page.

This template is used to link to articles containing further information on a topic. It looks like this:

Further information: Article

It is typically used at the top of a section, when the topic of that section is covered in more detail by another page. It is useful for implementing summary style.