A requirement.
An urgent request.
The desire to purchase goods and services.
An order.
The amount of a good or service that consumers are willing to buy at a particular price.
A forceful claim for something.
More precisely peak demand or peak load, a measure of the maximum power load of a utility's customer over a short period of time; the power load integrated over a specified time interval.
To require of someone.
To claim a right to something.
To ask forcefully for information.
To request forcefully.
To issue a summons to court.
An endeavor.
The work involved in performing an activity; exertion.
A force acting on a body in the direction of its motion.
To make an effort.