年 年 nián Strokes6 Radical 干 — arid, dry How it's builtIdeograph — the meaning is built from its parts 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