Shopping is the process of browsing and/or purchasing items in exchange for money. A retailer or a shop is a business that presents a selection of goods and offers to trade or sell them to customers for money or other goods.
In other words, It's an activity in which a customer browses the available goods or services presented by one or more retailers with the intent to purchase a suitable selection of them. In some contexts, it may be considered a leisure activity as well as an economic one.
What is online shopping?
The act of purchasing products or services over the Internet. It has grown in popularity over the years, mainly because people find it convenient and easy to bargain shop from the comfort of their home or office.
Or it is a form of electronic commerce which allows consumers to directly buy goods or services.
From a seller over the Internet using a web browser.