Gutenberg: A modern publishing experience
In a nutshell, Gutenberg is an enhancement to WordPress that allow you to make your website edits in a simplified, yet more robust and intuitive drag-and-drop format, with block components.
Developers at Vivid Image and around the world work hard to make sure that WordPress usability stays as simple and user-friendly as website owners have come to rely on it to be.
If you want to read more about the Gutenberg editor, Yoast published an in-depth overview.