A use case describes a high level business activity with a focus on the interactions of a user and a (computer) system to support the tasks required to complete the activity (i.e. to achieve a business goal). Use cases can be applicable to many companies (e.g. project management) or they can be specific to a particular organization (i.e. supporting an activity only found in this company). The use case is characterized by a high level of abstraction and is technology agnostic(Schubert & Glitsch, 2015). 

All Use Cases are accessible by the following links:

(The number in brackets represents the absolute quantity of each use case in the investigated resources.)

References

Schubert, P. & Glitsch, J.H., 2015. Adding Structure to Enterprise Collaboration Systems: Identification of Use Cases and Collaboration Scenarios. Procedia Computer Science, 64, pp.161–169.