In term of e-commerce The process of transporting an item, usually to the customer's destination or another destination by customer is called as shipping. Shipping is a very basic, common way of getting an item from one place to another, or from one person to another.
This can be free or paid both. This depends on websites. Some website give free shipping to satisfy customer on another hand some website took charges from customer. Some websites has their own service for shipping or some sites hire another courier service for shipping.
For example we are taking a website named . When we want to buy some items and looking at the payment page we can see the shipping option or shipping charge calculate option.