The Content Block component designates regions on the page where pre-styled instances can be inserted in Content mode.

• In Content mode, you can edit content inside this Content Block and add new instances predefined in templates. Content outside Content Blocks is read-only.
• To predefine instances for insertion in Content mode, switch to Design mode and add them to the Templates container.
• To insert predefined instances in Content mode, click the + button while hovering over the Content Block on the canvas and choose an instance from the list.