Requirement vs Exigency - What's the difference?
requirement | exigency |
A necessity or prerequisite; something required or obligatory.
Something asked.
(engineering) A statement (in domain specific terms) which specifies a verifiable constraint on an implementation that it shall undeniably meet or (a)'' be deemed unacceptable, or ''(b)'' result in implementation failure, or ''(c) result in system failure.
The demands or requirements of a situation (usually plural. )
An urgent situation.
A situation requiring extreme effort or attention.
