阶 阶 jiē Strokes6 Radical 阝 — place, town, city Made of 阝 place, town, city 介 agent, go-between, intermediary How it's builtPhono-semantic — one part hints at the meaning, another at the sound Play the animation More about the character 阶
段 段 duàn Strokes9 Radical 殳 — tool, weapon How it's builtIdeograph — the meaning is built from its parts Play the animation