The system whereby messages are transmitted via the post office
English: mail, mail service, postal service, post
Less certain link between this word and this sense.
pejabat posms
PO, Post Office, US Post Office, United States Post Office, mail
Noun
An independent agency of the federal government responsible for mail delivery (and sometimes telecommunications) between individuals and businesses in the United States
English: United States Post Office, US Post Office, Post Office, PO
Less certain link between this word and this sense.