枠 means “frame, limit”

わく · waku

Also: framework, spindle, spool

Kun'yomi (Japanese reading)
わく

JLPT N1 · Taught in secondary school · 8 strokes

The story

Wood (木) beside 卆, nine (九) over ten (十): a kanji made in Japan for a wooden frame. 枠 is a frame or a set limit: 窓枠 is a window frame, 枠組み a framework, and 枠にとらわれない is thinking outside the box.

Used in 枠 (waku, frame/limit), 枠組み (wakugumi, framework), and 窓枠 (madowaku, window frame)

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Readings from KANJIDIC2, © EDRDG, CC BY-SA.