A more thorough explanation:

Definition: A sale is when someone sells something to another person in exchange for money or something else of value. The seller usually gives the buyer ownership of the item being sold.

• John sold his old bike to Sarah for $50.
• The store is having a sale on all their winter coats.
• During the sale, the car dealership offered a discount on all their vehicles.

These examples illustrate the definition of a sale because in each case, something is being exchanged for money or something else of value. In the first example, John is selling his bike to Sarah for $50. In the second example, the store is offering a discount on their winter coats in exchange for customers buying them. In the third example, the car dealership is offering a discount on their vehicles to entice customers to buy them.