a dock
The ships are built in drydocks which can be flooded to float the ships out.
jetty
A jetty.
Wharf
They need to be built in areas with water deep enough for them. Most ships sit fairly deep in the water even when empty and the coast offers that for them.
"Quai" in French translates to "quay" or "dock" in English. It refers to a platform built along the edge of a body of water used for loading and unloading boats or ships.
So you can travel across water faster.
water acted as a natural barrier before Romes enemies built ships.
Locks are built to raise and lower ships , also to control water levels, so there are some locks that also have dams nearby.
A harbor (harbour) quay is a platform lying alongside or projecting into water for loading and unloading ships, which is located at a harbor.
Metal ships are built to float.
Ship, or large boats, are built to carry people, animals, and cargo across the large bodies of water. Large counties have Navies, which are military people that fight their wars on the high seas in ships of various sizes. These military ships carry there solders and the weapons to wars anywhere on the globe.