| Subject | English | German |
| busin., IT | abstract use case | abstrakter Anwendungsfall |
| comp., MS | use case | Anwendungsfall (A collection of scenarios which make up a behaviorally related sequence of interactions that a user performs in a dialog with a system) |
| gen. | use case | Anwendungsfall |
| comp., MS | use case diagram | Anwendungsfalldiagramm (A diagram that shows the external actors who will interact with your system and how they will use it. The diagram consists of a system boundary, actors, use cases, and use case relationships (communicates, uses, and extends)) |
| busin., IT | use case diagram | Anwendungsfalldiagramm |