In Japanese, kakko カッコ means either "appearance" or "parenthesis." In the former case, it's also spelled kakko かっこ and found in compound words.
Sunday, November 27, 2016
In Japanese, furigana 振り仮名 is a text written next to a certain character, word, or phrase, that shows how you're supposed to read it. It's also called "ruby text," rubi ルビ (the opposite being base text), or "reading aid," although it also has some non-reading-aid, creative uses.
For example: 今日日(きょうび) shows the word kyoubi 今日日, "these days," "in modern times," which has kanji 漢字 characters. Inside parentheses is the furigana: k-yo-u-bi きょうび, showing how the word is read using hiragana ひらがな characters.