With this feature you would be able to effectively run sale on your store. Due to possibility of various unambiguities that may occur while creating coupons , there are various sub-features to it
a. Create single or multiple discount coupons. Similarly apply a discount coupon to single or multiple products.
b. You can restrict discount coupons on being applicable to selected products. It is mostly applicable when the product is already pre-discounted or is being sold on a very low margin.
c. You can apply discount coupon on the entire category and sub-category.
d. You can also choose to not apply coupons on products from discounted category.