The kanji 導導 fundamentally means "to guide," "to lead," "to direct," or "to conduct." It implies showing someone or something the way, steering them towards a specific goal, or facilitating a process. This can be in a literal sense, like leading a person, or in a more abstract sense, like guiding someone's thinking or actions.

・On-yomi (音読み): ドウ 導 ・Kun-yomi (訓読み): みちび(く) 導みちび（き）

⚫︎指導（しどう） Translation: Guidance; instruction; leadership. ⚫︎道導路（どうろ） Translation: Road; route. ⚫︎教導（きょうどう） Translation: Teaching; instruction; guiding.

The kanji 導導 is a phono-semantic compound (形声文字). The left side is the radical しんにょう（辶）, which is a common radical indicating "movement" or "road". The right side is 道（どう）, which means "road" or "path". So, the entire kanji signifies "to lead on the road" or "to guide on a path". It originally showed a person leading someone along a path, implying guidance.