The structure tab provides six types of stricter blocks, you can select a block to insert it into html design page.

1. Select a block to drag and drop it the html page.
   
2. You can switch to content tab and select the content type you want to insert into the structure block area.
   
3. You can click  to drag and drop the content type to adjust its place.
4. You can use the structure editor to modify structure properties setting.