to use one's head

smaller kana printed next to (vertical) or above (horizontal) non-kana text as pronunciation guide

(orthography, historical) tōyō kanji (kanji that were declared official by the Ministry of Education of Japan on November 16, 1946, later replaced by 常用漢字 (jōyō kanji))

kanji approved for regular use by the 文部科学省 (Monbu-kagaku-shō, “Japanese Ministry of Education”)

Sino-Korean vocabulary or "Hanja-eo"

Alternative spelling of 漢字返し

The iteration mark 々, which indicates that the previous kanji ought to be repeated.

(education) The 1,026 kanji taught in primary school; a subset of 常用漢字 (じょうようかんじ, jōyō kanji)

to wave a stick

the act of swinging something one time / a katana