Interaction Scenario Diagram
+ If you work with version UML 2.3 of diagrams, interaction diagrams are replaced by sequence diagrams. For more details, see
"Sequence Diagram".
You can specify use cases of an application or service by means of interaction scenarios. An interaction scenario details message instances exchanged between application, service or User interface instances in an application architecture.
An IT service is a component of an application made available to the end user of the application in the context of his/her work.
A Human-Machine Interface enables definition of a screen of an application or an IT service.