The kanji 訂 primarily conveys the meaning of "to correct," "to revise," or "to amend" something, particularly written materials or established facts. It implies making necessary changes to improve accuracy, clarity, or conformity to a standard.

・On-yomi (音読み): テイ ・Kun-yomi (訓読み): ただ（す）

⚫︎訂正（ていせい） Translation: Correction; revision ⚫︎改訂（かいてい） Translation: Revision; amendment ⚫︎訂正版（ていせいはん） Translation: Corrected edition

The kanji 訂 is a phono-semantic compound (形声文字). The left side, 言（げん）, represents "speech" or "words," indicating it's related to verbal or written communication. The right side, 丁（てい）, is the phonetic component, suggesting the sound and also possibly contributing to the meaning of "to be correct" or "accurate." Together, these components convey the act of using words to make something correct or to revise.