“…Therefore, variations should be described on different levels (Albers et al, 2020). The generic variation operator is the starting point for the concretization of variations for different model elements: Functions (Albers et al, 2021), properties (Albers et al, 2021), requirements (Wäschle et al, 2021), test-cases (Wäschle et al, 2021, stakeholder needs (Kubin et al, 2023). No variation types have yet been defined for the product profile.…”