| Subject | English | German |
| comp., MS | activity model | Aktivitätsmodell (A predefined sequence of actions) |
| busin., IT | activity model | Vorgehensmodell |
| comp., MS | activity model step | Aktivitätsmodell (A synonym for an action from the viewpoint of an activity model. When an action is contained within an activity model, it is referred to as an activity model step) |