project management glossary

functional requirements

 Contract requirement stated in terms of the objectives that must be achieved under the contract.

functional specification

 A document specifying in some detail the functions that are required of a system and the constraints that will apply.

functionality

 The actions that the project deliverables are, or should be, capable of performing.

 The functions to be performed as specified in the project's product requirements (objectives). The functionality will generate revenue, or make savings, which will repay the financing. The value of the functionality is measured by the ratio of the cost of achieving the functionality to the benefit it delivers.

function-quality integration

 The process of actively ensuring that quality plans and programs are integrated, mutually consistent, necessary and sufficient to permit the project team to achieve the defined product quality,