Transportation means the process of physical movement of products and people from one place to another place.
The act of carrying products a people from one place to another through land routes is known as road transportation.
The act of carrying products and people from one place another through railway is known as rail transportation.
The act of carrying products and people from one place to another place through the lake, canal, river, sea and ocean is known as water transportation.
The act of carrying products and people from one place to another place through airways is called air transportation.