A link from a page on another website to a page on your website.
A practical example
An industry publication cites a useful report and links to the original research on your site.
What to watch for
Relevance, editorial purpose and link context matter more than collecting large numbers of links. Purchased ranking links can breach search spam policies.
Related reading
Explore Link Building and Nofollow. Try our search result preview for a practical next step. See how this fits into SEO services.