what is courrier refers to a company or individual that provides delivery services for documents and packages. A courier service typically handles the transportation of goods with a focus on speed, reliability, and security. Unlike standard postal services, couriers often offer express and same-day delivery options, making them ideal for urgent shipments. Couriers can handle both domestic and international deliveries, and they often provide real-time tracking to monitor the progress of the shipment. Many businesses rely on couriers to ensure timely deliveries, especially when sending high-value or time-sensitive items. Some well-known courier companies include FedEx, UPS, and DHL, each offering various levels of service, from standard ground shipping to expedited and overnight options.