Block Editor
The default WordPress content editor (codenamed Gutenberg) that uses modular blocks to build pages and posts instead of a single text field.
The Block Editor is the default editing experience in WordPress, replacing the older Classic Editor as of WordPress 5.0. Instead of working inside one big text box, you build content by stacking individual blocks — paragraphs, images, buttons, columns, and dozens more. Each block is its own self-contained unit that you can move, configure, and style independently.
How It Works
Every piece of content in the Block Editor is a block. When you open a post or page, WordPress parses the stored content into blocks using special HTML comments as delimiters. Here is what a simple paragraph block looks like in the database: