Terry is аnаlyzing severаl public apоlоgies frоm corporate CEOs following major scandals. They observe that the rhetorical artifacts share similar situational conditions (a crisis requiring public reassurance), substantive content (expressions of responsibility, promises of reform), and stylistic elements (formal tone, measured language, emphasis on sincerity). He also notices an organizing principle tying them together: the need to restore public trust. Based on this analysis, Terry concludes that these apologies belong to a rhetorical genre. What best explains Terry’s conclusion about rhetorical genres?