what are courier services are logistics services that specialize in the delivery of packages and documents. Couriers often provide faster, more direct delivery compared to traditional mail services. Courier services can be local, national, or international and often include features like door-to-door service, same-day delivery, and tracking. Examples of courier services include UPS, FedEx, DHL, and local delivery providers. These services are commonly used for time-sensitive or high-priority shipments.