1. Commerce: A claim for a sum of money as due, necessary, or required. 
2. Economics: (1) Desire for certain good or service supported by the capacity to purchase it. (2) Theaggregate quantity of a product or service estimated to be bought at a particular price. (3) The totalamount of funds which individuals or organizations want to commit for spending on goods or servicesover a specific ... Read more

USAGE EXAMPLE

The company increased its production of the new sneaker after a recent advertising campaign made the demand for the product soar.