Here is a video by ‘Do you even Blog’ to gives an overview of WordPress Gutenberg, including a tour of the new settings, as well as the blocks area.
Here’s a List of All the Gutenberg Blocks You Can Use in a Blog Post:
Note: For the average blogger, there are only 4-5 blocks you need to know about, and they’re all incredibly simple.
> Paragraph blocks
> Headline blocks
> Image blocks
> Embed blocks (YouTube videos, etc)
> Quote blocks
Below is a complete list, and we’ll describe each of these in more detail after that!