The document contains 3 use cases for using the Shopify platform: 1. Using Shopify - describes the process of creating an account, launching a store, checking products and availability, and interacting with customers. 2. Selling products - outlines the steps of checking products, availability, collections, customers, orders, offering discounts, and completing transactions. 3. Giving Discounts - involves checking customers, products, conditions, deciding on discounts, and completing transactions.