The "Area of Responsibility" (AOR) refers to a specific geographic or functional zone where an individual or organization has authority and accountability. This concept is commonly used in military operations, project management, and organizational structures to define the scope of duties and responsibilities. It helps clarify who is in charge of what, ensuring that tasks are managed effectively. In a military context, for example, a commander may have an AOR that includes a particular region, overseeing all operations and resources within that area. In business, a manager might have an AOR that encompasses a specific department, allowing them to focus on performance and outcomes related to their team's objectives.