1. Comment on the statement “normal flow is the best-case scenario.” 2. When do we use sub-flows? 3. What we do if there are too many steps in a normal flow? 4. Provide an example for actor...

1. Comment on the statement “normal flow is the best-case scenario.”

2. When do we use sub-flows?

3. What we do if there are too many steps in a normal flow?

4. Provide an example for actor generalization. What is the significance of generalizing or specializing actors?