Questions about example sentences with, and the definition and usage of "Fune"

A: It is a ferry.

A ferry is a boat that takes people across a river or estuary, or between two islands.

It's a ferry, because it can load people and cars, etc., cross the water, and then unload them quickly.

But it is also a boat. A boat is any kind of small-ish water craft.

A ship is a much bigger one, like a container ship.