A letter or notice sent to multiple recipients in turn, often for official or organizational communication.
The neighborhood association's circular came around.
response letter; reply letter
A letter written in reply; often used in formal or written correspondence. Cross-referenced with 返書.
See also: 返書
I wrote a reply to your recent letter.
Standard kanji spelling.
Variant kanji form using 廻; less common.
Compound of 回 (circulate) and 章 (document/writing). The exact historical derivation is uncertain.