What is the meaning of Demand?

The desire to purchase goods and services.

The market force that causes buyers to be both willing and able to buy a good or service, as measured by the amount of that good or service that is currently salable at any given price point; the amount itself.

A forceful claim for something.

A requirement.

An urgent request.

An order.

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 request forcefully.

To claim a right to something.

To ask forcefully for information.

To require of someone.

To issue a summons to court.

Source: wiktionary.org