手紙が来た

a letter arrived

→ 手紙
phrase Uncommon #10,991
a letter arrived Literally means “a letter came,” but naturally translates as “a letter arrived” or “I got a letter.” が marks the letter as the subject, and the sender can be introduced with から.
JA: 今朝、祖母から手紙が来た。
EN: A letter arrived from my grandmother this morning.

手紙が来たので読んできた

A letter came, so I went and read it.

友達から手紙が来たんだ

I got a letter from a friend.

手紙が来たんです

I received a letter.

— 鶴は翔んでゆく (1957)

おかげさまで手紙が来た

Thanks to you, I received a letter.

— 戦争と女の顔 (2019)

父から手紙が来た

I got a letter from my father.

— ラスト、コーション (2007)

フィンランドの友達から手紙が来た

I got a letter from a friend in Finland.

手紙が来た

I got a letter.

から手紙が来た

I got a letter from my husband.

— 8 1/2 (1963)

手紙が来たので読んで返事してきた

I got a letter, so I read it and replied.

昨日昔の友達から手紙が来た

Yesterday, I received a letter from an old friend.