未 未 wèi Strokes5 Radical 木 — tree Made of 一 one 木 tree How it's builtIdeograph — the meaning is built from its parts Play the animation More about the character 未
知 知 zhī Strokes8 Radical 矢 — arrow, dart Made of 矢 arrow, dart 口 mouth How it's builtPhono-semantic — one part hints at the meaning, another at the sound Play the animation More about the character 知
数 数 shǔ Strokes13 Radical 攵 — to rap, to tap Made of 娄 a constellation 攵 to rap, to tap How it's builtPhono-semantic — one part hints at the meaning, another at the sound Play the animation