Stern refers to the rear, or aft, part of a boat or ship. This critical section is structurally designed to provide propulsion and control for the vessel. It holds components such as the steering apparatus, the propeller, and the rudder. Moreover, the stern is responsible for the wake and displacement characteristics of a vessel. Its shape greatly affects the efficiency and speed capability of the boat or ship. In shipping language, when someone refers to the direction towards the stern, they say "aft."

1. The fisherman secured his catch at the stern of the boat, away from the main deck. 2. The captain stood at the stern, guiding the boat through the rough seas with expert precision. 3. I enjoyed a quiet moment sitting on the stern, watching the wake of our journey trailing behind us. 4. The flag, waving proudly from the stern of the boat, indicated its country of origin to passersby. 5. Our life jackets were stored under the stern seats for easy access in case of an emergency.

The stern of a boat, positioned at the aft or back end, not only functions as the steering mechanism of the ship but also plays essential roles in the vessel's propulsion, defense, and aesthetics. Interestingly, the name "stern" derived from Old Norse stjorn, meaning "a steering," pointing to its necessary operational function. In the historical context, sterns in merchant vessels were ornately decorated in the medieval period and had artworks, carvings, and decorations, often reflecting the home port's culture. In some cases, these decorations were actually used to demoralize or intimidate adversaries in naval warfare. Hence, a stern is not just a mechanical component, but a symbol of identity, tradition, and power in maritime history.