Airframes are an essential part of the aircraft that provide structure and support to its various components. They are often referred to as the skeleton of the plane, and their design and construction play a crucial role in determining the aircraft's performance. Airframes can also be called fuselage, hull, frame, or structure. While these terms have slightly different meanings, they are synonyms for airframes. The term fuselage refers to the central structure of the aircraft that houses the passengers and cargo. Hull is a term commonly used for aircraft that operate on water. The frame refers to the support structure connecting the main components of the aircraft. The structure refers to the overall framework of the aircraft that provides support and stability.