====== Components ======

^Component^Area Used^Description^Handy URI^
|Actor|Use Case|An actor is behaviored classifier which specifies a role played by an external entity that interacts with the subject (e.g., by exchanging signals and data), a human user of the designed system, some other system or hardware using services of the subject. | http://www.uml-diagrams.org/use-case-actor.html |
|Subject|Use Case|A subject is the system under analysis or design. It is acted upon by an actor| http://www.uml-diagrams.org/use-case-subject.html|

===== Process =====

To create a UML use case diagram you can follow a number of routes:

  * Define Subject
  * Define Actors
  * Define Use Cases
  * Define Use Case Behaviours