The collection of texts provides a comprehensive overview of modern volleyball coaching, athlete development, and the profound influence of technology, particularly Artificial Intelligence. Several sources outline the fundamental rules, skills, and strategic roles within volleyball, along with guidelines for coaching youth athletes, emphasizing physical literacy, mental toughness, and age-appropriate training as part of a long-term development strategy. A significant portion of the material focuses on the rising adoption of technology, detailing how AI, smart wearables (IMUs), and sensor systems are being used for load management, real-time performance feedback, video analysis, and creating sophisticated training models for both elite and amateur players. Finally, the sources offer extensive guidance on the ethical and behavioral aspects of coaching, stressing the importance of clear boundaries, safety protocols, effective communication with players and parents, and fostering a team culture built on respect, commitment, and shared accountability.