Seen from the side are the hull, the building, and the bridge corridor, which are commonly called the lower, middle, and upper floors.
Boats such as bass boats, deck boats, fishing boats, and so on, have only the hull, not the building or the bridge.
Pontoon boats, sea fishing boats, catamarans and other larger boats have a two-storey boat structure.
Larger yachts, such as cruisers, day and night sea fishing boats fishing boats, recreational fishing boats and other large and medium-sized yachts are equipped with three, even four vertical structure;
From a horizontal point of view, there is a bow deck, a middle deck and a stern hydrazine deck. Some ships also have a fish mouth protruding from the bow, and a diving board is added behind the stern hydrazine. Usually, these two lengthened parts are not counted in the captain.
