Anwendung
Anwendung is a German noun with several related meanings based on the idea of applying something to a purpose. The most general sense is use or utilization: the application of a method, a device, or knowledge. For example, die Anwendung dieser Methode refers to using the method in practice. A narrower sense denotes the concrete use of a product or technology, such as the applications of a device or the intended use of a product.
In computing, Anwendung commonly refers to a software program used by end users. In German technical language,
Etymology: Anwendung comes from the verb anwenden “to apply” plus the nominalizing suffix -ung. Related terms
Overall, Anwendung covers both the abstract act of applying something to a purpose and the concrete software