In engineering, a requirement is a condition that must be satisfied for the output of a work effort to be acceptable. It is an explicit, objective, clear...

In software engineering and systems engineering, a functional requirement defines a function of a system or its component, where a function is described...

An Operational Requirement, commonly abbreviated OR, was a United Kingdom (UK) Air Ministry document setting out the required characteristics for a future...

Reserve requirements are central bank regulations that set the minimum amount that a commercial bank must hold in liquid assets. This minimum amount, commonly...

In systems engineering and requirements engineering, a non-functional requirement (NFR) is a requirement that specifies criteria that can be used to judge...

A capital requirement (also known as regulatory capital, capital adequacy or capital base) is the amount of capital a bank or other financial institution...

conflicting requirements of the various stakeholders, analyzing, documenting, validating, and managing software or system requirements. Requirements analysis...

(computer) system requirements and are often used as a guideline as opposed to an absolute rule. Most software defines two sets of system requirements: minimum...

Intelligence requirements (IR) are a ranking of topics or issues by priority which are used to inform the allocation of resources for intelligence collection...

Requirements engineering (RE) is the process of defining, documenting, and maintaining requirements in the engineering design process. It is a common...