a name (word or phrase indicating a particular person, place, class, or thing) / (more specifically) a given name (excluding the surname)

adjective

to use / to employ / to make use of, to apply / to spend

kanji

use one thing for many purposes / work someone hard

to use one's head

(computing) name resolution

given name

(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)

smaller kanji historically used as a pronunciation guide, similar to modern furigana