The harbor is the place where the product is brought. The port may be small enough.If you travel by water, it is called port,when you travel through the port and road. Very important place to trade port business is very important.
Import of goods with port of all types is exported. Ports are used to bring products and products inside the country. Export of water on the way of water is very less in export cost.
The port that is seen in the picture is a portable port.
That's interesting. I was going to ask why the boats in the picture were out of the water (or at least very close to shore.) But I think you answered it. It's a portable port, so they're up close to move their goods.