The kanji 在在 primarily conveys the meaning of "to exist," "to be located," or "to be present." It signifies the state of being in a particular place or condition. It can also imply the concept of "existence" itself.

・On-yomi (音読み): ザイザイ (zai) ・Kun-yomi (訓読み): あ（る）あ（る） (a(ru))

⚫︎ 日本に 在住しています。 Translation: I live in Japan. ⚫︎ 彼女は家に 在宅しています。 Translation: She is at home. ⚫︎ 現在、会議中 です。 Translation: The meeting is currently in progress.

The kanji 在在 is a phono-semantic compound (形声文字). The left side is 才, which originally represented a plant and later evolved to indicate "ability" or "talent." The right side is 土, meaning "earth" or "ground." Together, 在在 likely suggested the idea of something being "present" or "existing" "on the earth," which is connected with the meaning of "to exist" or "to be located."