When it comes to air delivery, there are numerous synonyms or phrases that can be used instead of "air service". For example, "air transport service" is a common term used to refer to air delivery. Other synonymous terms include "air freight service", "air cargo service", "airline service", "airline transport", and "air shipment" amongst others. Depending on the context, the term used may differ. For instance, "air cargo service" may be more suitable when referring to the delivery of commercial goods while "air ambulance service" would be an appropriate term to use when referring to medical emergency transportation via an aircraft. Ultimately, whatever the term used, the purpose remains the same - the transportation of people and cargo through air delivery.