12345678910Keywordruleprovincial judgelawdoor postFrequency#5630Strokes10ReadingsnièMnemonicA notice 自 posted on a tree 木Stroke orderComposed of自self木treeUsed in characters镍nickel臲totteringUsed in vocabulary臬nièguidepost; rule; standard; limit; target (old)奉为圭臬fèngwéiguīnièto take as a guiding principle (idiom)