The term 'protective compartment' can be summarized as a secure, enclosed space. It is often used to store items that need to be kept safe from the elements or from theft. The term is also sometimes referred to as a 'POD, ' which is an acronym for 'Protective Outer Division.' This type of compartment is commonly found in vehicles, such as cars, boats, and airplanes, as well as in buildings and other structures.