Clearly defined and measurable characteristics of a product, service, process, material or development. In the Technology NZ context, we require this data for a number of reasons including assessing: "How hard is this development proposal?" "How will they know if they have succeeded?" and "How will they know if/when to stop?"

a document that specifies the minimum quality requirements for how a product shall be manufactured, delivered and installed

a set of instructions that outlines the functional requirements for hardened concrete depending on the application

a statement of requirement in terms of required results with criteria for verifying compliance, without stating methods for achieving the required results

A specification setting forth performance requirements determined necessary for the item involved to perform and last as required.

statement of the totality of needs expressed by the benefits, features, characteristics, process conditions, boundaries and constraints that together define the expected performance of a deliverable. Note: a performance specification should provide for innovation and alternative solutions, by not defining or unduly constraining the technical attributes of the intended deliverable.

specification which sets forth the performance requirements for a system or system component.

Specification of required output or function. [D01169] NPMT

A performance specification is a specification applied to a target behavior whose performance is of interest.

A document which details the functional and business requirements of an Electronic Toll Collection (ETC) System without providing complete technical details (as would be presented in a technical specification) leaving this to the ingenuity of the proposer.