データ専せん用よう文も字じ

noun

dedicated data character

Technical computing term for a character reserved for data transmission or control purposes, not for general text.

• このプロトコルでは、データ専せん用よう文も字じを使つかって制せい御ぎょ情じょう報ほうを送おくります。

  In this protocol, dedicated data characters are used to send control information.