A person who works for the postal service and is responsible for delivering mail; also known in Taiwan as [[邮差|郵差|you2 chai1]] or [[邮务士|郵務士|you2 wu4 shi4]].

postal code; zip code (term used primarily in Taiwan)

electronic mail system or message service

A method of sending mail or packages using an airplane; also called [[航邮|航郵|hang2 you2]]