Big rigs are massive vehicles that are used to transport goods and materials across long distances. These vehicles are also known as semi-trucks, tractor-trailers, or simply, trucks. Big rigs are essential to the economy, as they enable businesses to move goods from one place to another efficiently. Synonyms for big rigs include long-haul trucks, heavy haulers, and big trucks. These terms are used interchangeably to describe the same type of vehicle. Though they may differ in size, weight, or carrying capacity, they all play an essential role in the transportation industry. Whatever the name, Big rigs continue to play a crucial role in the world's economy, ensuring that goods reach their destination on time.