Front end preview:
Set the amount of items you want to display underneath each other
Open the section to add content (Hand 1)
Add column title (Hand 3)and then select your display type (Hand 4).
Display type – On Sale, Best Rated and Best sales will be data from all products on site.
Display type – Category can be selected if you want to show a specific category.
Add the amount of columns that you want to show in the frontend (Hand 5)