"Create a detailed black-and-white illustration for Chapter 1 of the book 'Vertriebskunst: Der geheime Code des Verkaufserfolgs.' The illustration should visually represent the following key points without using any color: Chapter 1: The Basics of Sales (4500 words) Introduction Depict a business setting highlighting the importance of sales for company success across various industries. Definition and Importance of Sales Show the historical evolution of sales: Ancient bartering: Illustrate ancient merchants trading goods in a marketplace. Medieval markets: Depict structured trade in medieval markets and fairs. Industrial Revolution: Show factories and early mass production methods. Digital Age: Illustrate modern sales using computers, data analysis, AI, and automation. Emphasize the importance of sales in modern business: Revenue generation: Show sales as the primary source of company revenue with a graph or chart. Brand building: Depict customer interactions contributing to brand development. Customer retention: Illustrate effective sales strategies leading to repeat business. Competitive advantage: Show a strong sales team giving a company an edge over competitors.Conclusion and Outlook Show the application of these basic techniques and strategies forming the foundation of sales success, preparing for continuous improvement in subsequent chapters. The illustration should be clean, organized, and visually appealing, ensuring that each section is distinctly represented but integrated into a cohesive whole, all without using any color."