What is the definition of a map in military terms?

In military terms, a map is best defined as a graphic representation of a portion of the earth's surface drawn to scale, as seen from above. This definition highlights the essential functions of a map in a military context: it provides crucial information about terrain, including its contours, distances, and features, allowing military personnel to plan and execute operations effectively.

A map serves as a vital tool for navigation and operational planning. By being drawn to scale, it enables the user to understand distances and relative positions accurately, which is fundamental in both strategic and tactical scenarios. The aerial perspective mentioned in the definition is important because it represents the way maps convey an overview of the area, giving an understanding of terrain features such as mountains, rivers, and built environments.

In contrast to other options, a detailed interpretation of the terrain, while useful, does not encapsulate the broader graphic representation aspect. A 3D model of geographical features can be beneficial for visualization but does not convey the scale and context needed for many military operations. Lastly, an online navigation system, while integral for modern operations, is a tool that often relies on maps rather than being a definition of what a map is in military terminology.