The Blocks library opens when you click the (+) Plus button to add a new block to your site. The Library contains various types of pre-designed block layouts you can use to construct your website.
Scroll down the Blocks library to see the full list of block types. You can instantly preview what the blocks look like before adding them to your site.
You can also use the search field to find the block type you need faster by typing in words like image, text, form, logo, etc., and pressing enter.
Adding a block to a page
Find the block layout you like and click it to add it to your website page. You can continue to customize the block settings afterward.