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Business requirements in the context of software engineering or the software development life cycle, is the concept of eliciting and documenting business requirements of business users such as customers, employees, and vendors early in the development cycle of a system to guide the design of the future system.
User (stakeholder) requirements Mid-level statements of the needs of a particular stakeholder or group of stakeholders. They usually describe how someone wants to interact with the intended solution. Often acting as a mid-point between the high-level business requirements and more detailed solution requirements. Functional (solution) requirements
Requirements analysis is critical to the success or failure of a systems or software project. [3] The requirements should be documented, actionable, measurable, testable, [4] traceable, [4] related to identified business needs or opportunities, and defined to a level of detail sufficient for system design.
Requirements engineering (RE) [1] is the process of defining, documenting, and maintaining requirements [2] in the engineering design process. It is a common role in systems engineering and software engineering .
Requirements Triage or prioritization of requirements is another activity which often follows analysis. [4] This relates to Agile software development in the planning phase, e.g. by Planning poker, however it might not be the same depending on the context and nature of the project and requirements or product/service that is being built.
The usage perspective engineering approach identifies the respective usage-centred requirements along the usage chain. It already focuses them as part of the requirements definition in the early development stages, in addition to the still valid criteria for decision processes, such as technical, internal and aesthetic possibilities.
A design specification (or product design specification) is a document which details exactly what criteria a product or a process should comply with. [1] If the product or its design are being created on behalf of a customer , the specification should reflect the requirements of the customer or client. [ 2 ]
Business-driven development [1] is a meta-methodology for developing IT solutions that directly satisfy business requirements. This is achieved by adopting a model-driven approach that starts with the business strategy, requirements, and goals, and then refines and transforms them into an IT solution.