In this chapter:
((1)) ** .—** The term “delivery order contract” means a contract for property that—
((A)) does not procure or specify a firm quantity of property (other than a minimum or maximum quantity); and
((B)) provides for the issuance of orders for the delivery of property during the period of the contract.
((2)) ** .—** The term “task order contract” means a contract for services that—
((A)) does not procure or specify a firm quantity of services (other than a minimum or maximum quantity); and
((B)) provides for the issuance of orders for the performance of tasks during the period of the contract.