A courier is a person or service that delivers messages, packages, or documents from one place to another. They play a crucial role in ensuring that important items reach their destinations quickly and safely. Couriers can work for companies or operate independently, using various modes of transportation like bicycles, motorcycles, or vans. Many businesses rely on couriers for fast delivery, especially in industries like e-commerce and legal services. With the rise of online shopping, services like FedEx and UPS have become well-known couriers, providing tracking options and timely deliveries. This helps customers receive their orders efficiently and enhances overall satisfaction.