月 月 yuè Strokes4 Radical 月 — moon How it's builtPictograph — a drawing of the thing Play the animation
底 底 dǐ Strokes8 Radical 广 — broad, vast, wide Made of 广 broad, vast, wide 氐 the name of an ancient tribe How it's builtPhono-semantic — one part hints at the meaning, another at the sound Play the animation