通 通 tōng Strokes10 Radical 辶 — to walk Made of 辶 to walk 甬 path How it's builtPhono-semantic — one part hints at the meaning, another at the sound Play the animation
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
书 书 shū Strokes4 Radical 丨 — vertical stroke How it's builtIdeograph — the meaning is built from its parts Play the animation