E-commerce refers to the buying and selling of goods or services online. It enables businesses to reach global audiences and provide convenient shopping experiences for customers. There are various e-commerce business models including business-to-business (B2B), business-to-consumer (B2C), consumer-to-consumer (C2C), and others. Key payment methods for e-commerce transactions include credit cards, debit cards, and other electronic forms of payment. Core values for e-commerce companies center around customer focus, innovation, integrity, collaboration, and quality.