Description: An opening in the deck of a ship is a space or gap designed to allow the passage of light, air, or water, and can serve various functions. These openings are essential in naval architecture, as they contribute to the ventilation and lighting of interior spaces, as well as to the safety and functionality of the ship. Openings can vary in size and shape, from small windows to large hatches, and their design must consider factors such as structural integrity and waterproofing. In shipbuilding, openings are carefully integrated to maintain the integrity of the hull and prevent water ingress. Additionally, their location is strategic, as they must facilitate access and operation of onboard equipment, as well as allow for water evacuation in case of emergencies. In summary, openings are key elements in the functionality and safety of vessels, playing a crucial role in the overall sailing experience.