Railcars are synonymous with various terms that describe the different types of train cars available. Boxcar, gondola, hopper, tank car and flatbed car are some of the synonyms that are used interchangeably with railcars. Each type of railcar has its specific features and is used for various purposes, such as transporting goods, materials or passengers. Boxcars are an enclosed type of railcar designed for transporting loose items such as grain, wood, or automobiles. Gondola cars are open and used for hauling heavy equipment and machinery. Hopper cars are used to transport dry bulk materials, such as coal or grain, while tank cars are utilized for hauling liquids or gases. Flatbed cars are designed to carry large or oversized cargo and are the most versatile type of railcar.