E-commerce (Electronic Commerce) is the buying and selling of goods and services over the internet. It enables businesses and customers to conduct transactions anytime and from anywhere using websites, mobile apps, and online marketplaces. E-commerce has transformed traditional business by providing convenience, a wider product selection, secure online payments, and faster delivery services. This presentation covers the concept of e-commerce, its types, features, advantages, disadvantages, applications, challenges, and future trends, highlighting its growing importance in today's digital economy.