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correspondence; news; letter; tidings
海外に行った友人から音信が途絶えた。
Correspondence from a friend who went overseas has been cut off.
長年音信不通だった親戚から手紙が届いた。
A letter arrived from a relative with whom I had no contact for many years.
戦場にいる息子の音信を待ち続けている。
I continue to wait for news from my son on the battlefield.