EntityQ421957· pop 13· linked from 53 articlesActorSign in to saveactor in the Unified Modeling Language (UML) "specifies a role played by a user or any other system that interacts with the subject."ConnectionsUnified Modeling LanguageEntityobject-oriented programmingEntityclassEntityobjectEntityinheritanceEntitygeneralizationEntityclass diagramEntitymethodEntityuse caseEntityUse Case DiagramEntityactivity diagramEntitysequence diagramEntityRational Unified ProcessEntityGrady BoochEntityinterfaceEntityIvar JacobsonEntitycouplingEntityattributeEntitymessage passingEntityObject Management GroupEntityCategoriesUnified Modeling Language