The document discusses the roles and responsibilities of managers in professional football clubs and national teams. It explains that managers are responsible for selecting the team and formation, planning strategy, delegating duties, scouting for new players, buying and selling players, and interacting with the media. They must motivate players, select formations, develop game plans, and ensure players follow their instructions on the pitch. Good managment requires departments for goalkeeping, defense, attack, medicine, finance, and scouting young talent. The document also profiles some exceptional past and present managers.