noun
furigana; ruby annotation
Refers to the act of adding small kana readings (ruby) above or beside kanji, or the resulting annotation itself. Common in publishing and digital text.
See also: ルビを振る
この文章にルビ振りをしてください。
Please add furigana to this text.
ルビ振り機能を使うと、漢字の読み方がわかる。
Using the ruby annotation feature, you can see how to read the kanji.