E - COMMERCE Business-to-Consumer (B2C) Direct selling of goods or services from businesses to individual customers. Business-to-BUISNESS (B2B) Transactions between businesses, such as wholesalers selling to retailers. Consumer-to-Consumer (C2C) Individuals sell directly to other individuals through a platform. Consumer-to-Business (C2B) Individuals offer products or services to businesses. Subscription-Based Products/services are sold through recurring subscriptions. Dropshipping & Affiliate Selling without holding inventory; suppliers ship directly to customers.Earning commission by promoting other companies’ products.