This lecture introduces the organization of the course, definitions, and material choices. It covers the classification and historical development of materials, technological advancements, and the course content. The slides discuss various materials like ceramics, metals, polymers, and composites, as well as their properties and classifications. The lecture also touches on the criteria for material selection, environmental impact, and cost considerations. Additionally, it provides information on resources available for the course, including videos, books, and exercises. The organization of the course, exercise sessions, and exams are outlined, emphasizing the importance of practical exercises and reading supporting materials.