Currently WordPress uses the WP Editor which lets you create pages, posts and other content types. Also known as the TinyMCE Editor, it features a row of toolbar icons that look like this:
Much of my WP A To Z Series demonstrates how the above WP Editor works. But that’s all about to change.
Take a good look because sometime in 2018 this is likely to disappear (or not be prominently featured in WordPress anymore). Exactly how Gutenberg will be rolled out is still a mystery but it is scheduled to be released in WordPress v5.0.
Don’t get caught by surprise when WordPress 5.0 is released. Start learning Gutenberg right from here.