In classical project management following a "waterfall" process of planning and execution, expected results are communicated relatively clearly by the client at the beginning of the project [5, 6]. So that the project can be "worked through" in a goal- and plan-oriented manner, it is planned holistically, from kick-off to completion, with work packages, responsibilities, and deadlines. The focus is on implementing the initial plan as precisely as possible. This provides stability and structure, predictable resources, and documented planning