The student book is particularly characterized by its differentiation: heterogeneous learning groups can independently work through the content using various tasks and support. It offers high clarity through numerous aids such as checklists and repetitive exercises for self-assessment, model texts, visualizations, and summaries. The chapter structure is designed to be transparent from the first to the last page. Each chapter includes targeted language and method training, as well as a supplementary section in the appendix covering spelling, grammar, punctuation, operators, and project work. The German book for vocational schools follows the proven modular principle of the German book series.