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2. Software requirements - Wikipedia

   en.wikipedia.org/wiki/Software_requirements

   Software requirements [1] for a system are the description of what the system should do, the service or services that it provides and the constraints on its operation. The IEEE Standard Glossary of Software Engineering Terminology defines a requirement as: [ 2 ]

3. Software requirements specification - Wikipedia

   en.wikipedia.org/wiki/Software_requirements...

   A software requirements specification (SRS) is a description of a software system to be developed.It is modeled after the business requirements specification.The software requirements specification lays out functional and non-functional requirements, and it may include a set of use cases that describe user interactions that the software must provide to the user for perfect interaction.

4. Requirements engineering - Wikipedia

   en.wikipedia.org/wiki/Requirements_engineering

   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 .

5. Functional specification - Wikipedia

   en.wikipedia.org/wiki/Functional_specification

   A functional specification (also, functional spec, specs, functional specifications document (FSD), functional requirements specification) in systems engineering and software development is a document that specifies the functions that a system or component must perform (often part of a requirements specification) (ISO/IEC/IEEE 24765-2010).

6. Requirements analysis - Wikipedia

   en.wikipedia.org/wiki/Requirements_analysis

   In systems engineering and software engineering, requirements analysis focuses on the tasks that determine the needs or conditions to meet the new or altered product or project, taking account of the possibly conflicting requirements of the various stakeholders, analyzing, documenting, validating, and managing software or system requirements.

7. System requirements - Wikipedia

   en.wikipedia.org/wiki/System_requirements

   These requirements are almost always of a significantly higher level than the minimum requirements, and represent the ideal situation in which to run the software. Generally speaking, this is a better guideline than minimum system requirements in order to have a fully usable and enjoyable experience with that software.