一 一 yī Strokes1 Radical 一 — one How it's builtIdeograph — the meaning is built from its parts Play the animation
块 块 kuài Strokes7 Radical 土 — soil, earth Made of 土 soil, earth 夬 decisive, certain How it's builtPhono-semantic — one part hints at the meaning, another at the sound Play the animation
儿 儿 ér Strokes2 Radical 儿 — son, child Made of 丿 slash 乚 secret, hidden, mysterious How it's builtPictograph — a drawing of the thing Play the animation More about the character 儿