A mailbox is a three-dimensional object typically found outdoors, commonly near residential areas or along the side of the road. It serves as a storage compartment for receiving and delivering mail from postal services. The structure of a mailbox consists of a vertical post firmly planted into the ground, providing stability and support. Attached to the top of this post is a rectangular-shaped container, usually made of metal or plastic, which acts as the main body of the mailbox. The mailbox body generally features a hinged door, allowing easy access to the interior space. This door is equipped with a lock or latch mechanism, ensuring the security of the mail stored inside. Additionally, it may have a small red flag attached on the side or top, which can be raised to signal that there is outgoing mail to be picked up by the postal carrier. The front face of the mailbox commonly bears the name or number of the household to which it belongs, allowing postal workers to quickly locate the correct recipient. It may also have a slot or opening just below the door to facilitate the insertion of incoming mail. The overall appearance of a mailbox can vary in design and color, but it typically possesses a simple and utilitarian aesthetic, blending seamlessly with its surroundings. Its purpose is to provide a designated location for the secure storage and retrieval of mail, ensuring efficient and reliable communication between individuals and postal services.