What is an "Aeronautical Chart"?

An aeronautical chart serves as a vital tool for navigation, depicting various air and ground features that pilots need for safe operation. This includes details such as topography, air routes, navigational aids (like VOR and NDB), airports, airspace boundaries, and more which are essential for flight planning and during the flight itself. Such charts come in various forms, including sectional charts, terminal area charts, and en-route charts, each tailored for specific flying needs. This comprehensive representation allows pilots to effectively navigate through different airspaces and terrain, making it crucial for operational safety and efficiency in aviation. The other options do not align with the fundamental purpose and characteristics of aeronautical charts, which specifically focus on navigation.