which of the following items is optional when creating a use case? a. secondary actor b. brief description c. normal flow of events d. trigger e. primary actor

Option a is correct. A secondary actor is optional when creating a use case. An external actor that offers a service to the system being designed is referred to as a supporting actor (also known as a secondary actor) in a use case. High-speed printers, web services, or people who must conduct research and come back to us may all be involved.The system and its use cases frequently depend on other individuals, business procedures, or apps to get the outcome or specific data they need to accomplish their objectives. We refer to them as secondary actors.A key player is the journalist, who can produce and submit articles. In our system, the Translator is a supporting actor. Within the Translate resources use case, the Journalist calls the actor. The Translate resources use case is never initiated by the Translator.To know more about use case click here:https://brainly.com/question/12971920#SPJ4