~ From ithemes blog ~

WordPress blocks are the biggest new feature of WordPress. With WordPress blocks, also known as Gutenberg blocks, users get to experience an easier way to create rich content in posts and pages in a truly visual manner

In this article, on iThemes blog page, they take a deep dive into the WordPress blocks, covering the history of the new WordPress block editor first introduced in WordPress 5.0. They also take a look at how WordPress blocks impact the way you compose and edit posts and pages on your WordPress website. Finally, they cover a growing number of WordPress block collection plugins that may dramatically change how you design and work with content.

WordPress Blocks: The Ultimate Guide to Gutenberg Blocks