Google’s search results sometimes show information that comes from our Knowledge Graph, our database of billions of facts about people, places, and things. The Knowledge Graph allows us to answer fact| support.google.com
We hope this will give you a more complete picture of your interest, provide smarter search results, and pique your curiosity.| Google
Google uses structured data markup to understand content. Explore this guide to discover how structured data works, review formats, and learn where to place it on your site.| Google for Developers