快 快 kuài Strokes7 Radical 忄 — heart Made of 忄 heart 夬 decisive, certain How it's builtIdeograph — the meaning is built from its parts Play the animation
捷 捷 jié Strokes11 Radical 扌 — hand Made of 扌 hand 疌 nimble, quick How it's builtPhono-semantic — one part hints at the meaning, another at the sound Play the animation More about the character 捷