![design - How to model two-step Login in UML via Use Cases and Sequence diagrams properly? - Software Engineering Stack Exchange design - How to model two-step Login in UML via Use Cases and Sequence diagrams properly? - Software Engineering Stack Exchange](https://i.stack.imgur.com/tXLiG.png)
design - How to model two-step Login in UML via Use Cases and Sequence diagrams properly? - Software Engineering Stack Exchange
![Use Case Diagram of Password Management System. Ideal for mobile app developers on password management to visua… | App development, Use case, Mobile app development Use Case Diagram of Password Management System. Ideal for mobile app developers on password management to visua… | App development, Use case, Mobile app development](https://i.pinimg.com/originals/d9/46/36/d946368f7a7e2c3ffeab9fd352d7caeb.png)
Use Case Diagram of Password Management System. Ideal for mobile app developers on password management to visua… | App development, Use case, Mobile app development
![Table 3 from Efficient requirement engineering for small scale project by using UML | Semantic Scholar Table 3 from Efficient requirement engineering for small scale project by using UML | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/955ef562060f45144035d7b8a5e2fc3c3055ba4f/4-Table3-1.png)