郵ゆう便びん書しょ簡かん

ゆ

う

び

ん

しょ

か

ん

Meanings

1

noun

letter-card

A postal item that combines features of a letter and a postcard, often with a detachable reply card. Used in Japanese postal contexts.

mail, stagecoach stop

便convenience, facility, excrement

書write

簡simplicity, brevity

郵ゆう便びんはがき
A standard postcard, while 郵便書簡 is a letter-card that can be folded and sealed, often with a reply card.
封ふう書しょ
A sealed letter; 郵便書簡 is a specific postal stationery item, not a generic sealed letter.

Compound of 郵便 (postal) and 書簡 (letter, correspondence).