These were important people in their day, because as well as being a carrier of goods, they were the only form of transport the poor could afford, as well as bringers of news. There were also several connected occupations. A Tranter was a travelling salesman who would also hire himself out with his cart. A carman drove a horse-drawn vehicle for local deliveries, and was typically employed by a railway company. A carman may also have driven a horse-drawn tram. A drayman would typically drive for a brewery. A carter was similar to a waggoner, and as Quizmonster says, a waggoner was a general driver.