What is the name for a smaller box on a map depicting a specific area in greater detail?

The term for a smaller box on a map that provides a more detailed view of a specific area is called an inset. Insets are commonly used in cartography to focus in on areas that require more information than what is feasible to display on the main map. By including an inset, a map can effectively show intricate features, significant landmarks, or dense urban areas that might be difficult to discern at a broader scale.

Other terms are related to different elements of a map. The legend explains the symbols used on the map, while the compass rose indicates the cardinal directions. A key is often synonymous with a legend but may refer to different aspects depending on the context. Understanding the function of these various components enhances map literacy and allows users to interpret geographic information more effectively.