EntityQ3264234· pop 18· linked from 52 articlesfunctional requirementSign in to saverequirement that defines the behavior (output) of a system or component based on inputsConnectionsInternational Standard Book NumberEntityfunctionEntitysystemEntitysoftware engineeringEntitysubroutineEntitysystems engineeringEntityuse caseEntityreliability engineeringEntityseparation of concernsEntitynon-functional requirementEntityfunction pointEntitysystems architectureEntityrequirements engineeringEntityfunctionEntityfunction modelEntityproject stakeholderEntityCategoriesSoftware requirementsSystems engineering