Showing Discount offer on the cart

1. How do you show a discount?
2. What does discount in cart mean?

How do you show a discount?

In practice, there are two main approaches: displaying the absolute discount (“$5 off”) or the relative discount (“20% off”).

What does discount in cart mean?

Cart Discounts are used to change the prices of different elements within a Cart. Cart Discounts are recalculated every time LineItems or CustomLineItems are added or removed from the Cart or an Order is created from the Cart.