This can be used in either line or order levels promotions.
This offer type can be used to give customer a value based discount.
E.g. If you buy this product you will receive £/$10 off.
Based on the breaks, you're also able to give customers a higher discount based on whether they have purchased more of less of a products.
I.e qty break 1 could give a £5 discount if 5 of an item or items were being purchased, and Qty break 2 could give a £10 discount if 10 were being purchased.
If used on a line level, the discount will be applied before checkout, the discount is applied to the lines of an order.
If used on an order level, the discount will be applied when going to the checkout and will be applied to the total price of the lines.