Information about the title: Differentiation enables individual support. Starter aids, optional tasks, additional assignments, and word materials facilitate learning progress in heterogeneous learning groups. Transparency and clarity: The proven chapter structure with objectives, conclusions, checklists, and summarizing competence and knowledge boxes ensures transparency and security in the learning process. Work techniques and methods as tools for acquiring competencies are an integral part of the learning process. Additionally, exercises for deepening understanding and reference information can be found in the five special chapters on fundamental learning and work techniques. Learning scenarios promote independent development of solutions: At the end of the seven competence areas, learning scenarios provide practical contexts. They require complex solution paths that students must plan themselves.