The kanji 知 primarily conveys the idea of "to know," "to understand," or "knowledge." It encompasses the concepts of being aware of something, having information, or possessing understanding. It suggests the active process of acquiring and retaining information, not just a passive state.

・On-yomi (音読み): チ (chi) ・Kun-yomi (訓読み): し (shi - as in 知る - shiru - to know)

⚫︎ 知識 (ちしき - chishiki) Translation: Knowledge ⚫︎ 知人 (ちじん - chijin) Translation: Acquaintance; Friend ⚫︎ 知っていますか？ (しっていますか？ - shitteimasuka?) Translation: Do you know? / Are you aware?

The kanji 知 is a phono-semantic compound (形声文字 - けいせいもじ - keiseimoji). It's comprised of two parts: ⚫︎ The left side is 矢 (や - ya) meaning "arrow." ⚫︎ The right side is 口 (くち - kuchi) meaning "mouth." The original meaning was related to knowing from the arrow's destination, where the arrow landed, and then the place was told by a mouth (the meaning later changed to tell something to someone). Over time, the meaning of "knowing" or "understanding" evolved from this initial sense. The character implies the act of directing information and understanding like an arrow going to its target.