We have placed a question mark under the actor drawn on the left because we want to establish who is the actor in this model, the “librarian” or the “card holder” for the use case “borrow book”?
Use Cases The Use Case view
We have placed a question mark under the actor drawn on the left because we want to establish who is the actor in this model, the “librarian” or the “card holder” for the use case “borrow book”?
Use Cases The Use Case view