| Subject | English | German |
| busin., IT | application to application communication | Anwendung-zu-Anwendung Kommunikation |
| busin., IT | application-to-application communication | Anwendung-zu-Anwendung-Kommunikation |
| comp., MS | application-to-application integration | Daten-/Funktionsintegration zwischen Anwendungen (The process of coordinating the operation of the various programs, databases, and existing technologies of a business or enterprise so that they function as an efficient, business-wide system) |
| fin. | application-to-application mode | Application-to-Application-Modus |