Practical sheet | REF: FIC0270 V1

Engineering the needs and requirements of a complex system

Author: Alain FAISANDIER

Publication date: August 10, 2024 | Lire en français

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    11. Glossary

    Buyer/customer

    A stakeholder who acquires or purchases a product or service from a supplier.

    Need

    Necessity, constraint, desire experienced and expressed by a user, stakeholder or project owner. What is necessary for the purchaser and justifies the design and realization of the system or product. Needs are generally vague at the start of a project: they must be identified, expressed, clarified and made coherent.

    Context

    All concrete elements outside the system under study, which have a service-type relationship with it, and/or which exchange matter, energy or information with it, and/or which are physically connected to it.

    Requirement

    Clarified expression of a need, presented in a formalized (computerized, graphical,...

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