“…The table labels mean: FM-Feature Model, CD-Class Diagram, UCD-Use Case Diagram, AD-Activity Diagram, Goal-Goal Oriented, OVM-Orthogonal Variation Management, xDSLvariations of Domain Specific Language (DSL), Onto-Ontology. Additionally, five papers[54][55][56][57][58] use sequence diagrams, while one paper[59] uses questionnaires and two papers[57,60] use component diagrams.…”