noun
message indicator; end-of-message symbol
Computing term for a symbol or signal that marks the end of a message or data block.
通信プロトコルでは、終了記号を使ってメッセージの区切りを示す。
In communication protocols, a message indicator is used to mark the end of a message.
Compound of 終了 (end, completion) and 記号 (symbol, mark).