It refers to the buying and selling of goods or services using the internet, and the transfer of money and data to execute these transactions. E-commerce website may also employ some or all of the followings:

• Online shopping for retail sales direct to consumers via Web sites and mobile apps, etc.
• Providing online marketplaces, which process third-party business-to-consumer (B2C), Business-to-Business (B2B) buying and selling.
• Gathering and using demographic data through web contacts and social media Business-to-business (B2B) electronic data interchange.
• Marketing to prospective and established customers by e-mail.
• Engaging in pretail for launching new products and services.