Which of the following describes the "big picture" within the operational plan?

The "big picture" within the operational plan primarily refers to the Scheme of Maneuver. This term encompasses the overarching strategy and methodology by which forces will be employed to achieve the mission's objectives. It outlines how different units will move, interact, and coordinate efforts during an operation, providing a clear view of the intended operational flow and the integration of various elements involved.

The Scheme of Maneuver captures the comprehensive approach to operations, ensuring that all units understand their roles in relation to one another and the overall mission. By illustrating how assets will be deployed and the anticipated movement of forces, it allows for effective planning and execution, serving as a foundation for all other elements of the operational plan.

While the other options, such as the Concept of the Operation, Fire Support Plan, and Coordination Strategy, are critical components within an operational plan, they focus on specific aspects rather than the overall framework. The Concept of the Operation elaborates on the intent and objectives but does not depict the execution strategy directly. The Fire Support Plan details the integration of fire support within the operation, and the Coordination Strategy outlines the procedures for inter-agency collaboration. Hence, the Scheme of Maneuver is the most holistic representation of how the entire operation is envisioned and executed.