![Examples of UML use case diagrams - online shopping, retail website, bank ATM, e-Library, airport check-in, restaurant, hospital. Examples of UML use case diagrams - online shopping, retail website, bank ATM, e-Library, airport check-in, restaurant, hospital.](https://www.uml-diagrams.org/thumbnails/airport-checkin-uml-use-case-diagram-example.png)
Examples of UML use case diagrams - online shopping, retail website, bank ATM, e-Library, airport check-in, restaurant, hospital.
![UML Diagram Types | Learn About All 14 Types of UML Diagrams | Use case, Business case template, Business template UML Diagram Types | Learn About All 14 Types of UML Diagrams | Use case, Business case template, Business template](https://i.pinimg.com/originals/5f/0d/e0/5f0de0e75d1e544629b9496720d8d2b3.png)
UML Diagram Types | Learn About All 14 Types of UML Diagrams | Use case, Business case template, Business template
![4: UML Use Case diagram of business actors composing and delivering... | Download Scientific Diagram 4: UML Use Case diagram of business actors composing and delivering... | Download Scientific Diagram](https://www.researchgate.net/profile/Rolv-Braek/publication/266069470/figure/fig4/AS:650037877022762@1531992515861/UML-Use-Case-diagram-of-business-actors-composing-and-delivering-service.png)
4: UML Use Case diagram of business actors composing and delivering... | Download Scientific Diagram
![Use case diagrams are UML diagrams describing units of useful functionality (use cases) performed by a system in collaboration with external users (actors). Use case diagrams are UML diagrams describing units of useful functionality (use cases) performed by a system in collaboration with external users (actors).](https://www.uml-diagrams.org/use-case-diagrams/business-use-case-diagram-elements.png)
Use case diagrams are UML diagrams describing units of useful functionality (use cases) performed by a system in collaboration with external users (actors).
![Use Case Diagram Example - This diagram illustrates the basic principles of a use case diagram: Actors, System b… | Employee management, Business analysis, Use case Use Case Diagram Example - This diagram illustrates the basic principles of a use case diagram: Actors, System b… | Employee management, Business analysis, Use case](https://i.pinimg.com/474x/38/55/7b/38557b51c5ed9b1dc6655344c66afeea--use-case-the-association.jpg)