As of WordPress 5.0, Gutenberg is the new page editor. Gutenberg is designed to allow the end user to cut down on the number of plugins required and to allow the creation of modern, media heavy layouts. It is designed to be easy to use and to work across all sorts of screen sizes and devices. Although the classic editor is still available as an option. This is an example of a paragraph block.
This is a heading block
- This is
- an example
- of a bulleted
- list
This is a quote
along with a citation
10 Print "This is a code block"
20 Goto 10This is a preformatted block
This is a pullquote
with a citation
| This | is |
| a | table |
This is a verse block but it doesn't rhyme
Office before renovation 
Asbestos ceiling removed 
Back to brick 
Fully plastered 
Functiong office
A cover image allows text overlay
The media and text looks useful. It’s a block with an associated image.
This is a 3 column
Each column can have a block type added
This is a group
Above is a separator and then a spacer, which can be resized. Then this is a group block
Which allows a set of blocks to be grouped together
Finally this is the classic WordPress block.