(obsolete) The hentaigana syllable that is used to represent chi in old Japanese text.

Visualization. / Visual control: a business management technique whereby information is communicated using visual signals in order to facilitate quick understanding or increase efficiency and clarity.

scientific knowledge

knowledge is power

trivia

one-line fact / one-line information / information in very few words

(colloquial) current boyfriend

everything

(slang) Alternative form of 彼氏 (kareshi, “boyfriend”)

everyone, one and all