A fulfillment center is a specialized warehouse where products are stored, packed, and shipped to customers. These centers play a crucial role in the supply chain, ensuring that online orders are processed efficiently. When a customer places an order, the fulfillment center picks the items, packages them, and sends them out for delivery. Many e-commerce companies, like Amazon and eBay, use fulfillment centers to streamline their operations. By outsourcing storage and shipping, businesses can focus on other aspects, such as marketing and customer service. This helps improve delivery times and customer satisfaction.