The term E-Commerce Icon is a representation of an online shopping CART, which is a four letter word: CART. An e-commerce icon is a visual representation of a shopping CART that is used to indicate the ability to purchase items online. It is typically found on websites and mobile applications that offer online shopping services. The icon is usually a graphic of a shopping CART with items inside, and it serves as a reminder to customers that they can purchase items from the website or app.