ETYM French demande, from demander. Related to Demand.
1. An urgent or peremptory request.
2. The ability and desire to purchase goods and services.
3. The act of demanding.
In economics, the quantity of a product or service that customers want to buy at any given price. Also, the desire for a commodity, together with ability to pay for it. + prikaži više

ETYM Late Lat. exigentia: cf. French exigence.
A pressing or urgent situation.

ETYM Old Eng. necessite, French nécessité, Latin necessitas, from necesse. Related to Necessary.
1. Anything indispensable; SYN. essential, requirement, requisite, necessary.
2. The condition of being essential or indispensable.
In economics, good or service whose consumption is seen as essential in order to maintain a minimum standard of living in a society; for example, food and shelter. + prikaži više

ETYM French obligation. Latin obligatio. Related to Oblige.
1. A legal agreement specifying a payment or action and the penalty for failure to comply.
2. The state of having financial obligations.
In politics, the duty of individuals to obey the laws of their state and, generally, to accept the authority of its government. The basis of political obligation has been depicted as a contract between ruler and people or as arising from the state's ability to provide for the welfare of its citizens. + prikaži više

Required activity; SYN. demand.