refer to, consult

(collective, historical, government) three highest-ranking officials in feudal China / (collective, historical, government) three highest-ranking officials in feudal Japan

(Buddhism) three priests who administer certain Buddhist temples / (Confucianism) the three fundamental bonds (lord–subject, parent–child, and husband–wife) most valued in Confucian philosophy

reference book (book providing factual information)

reference book (book providing factual information)

(of a potential husband's desired traits) high education (高学歴), high income (高收入), tall height (高身長) / (of a potential wife's desired traits) high education (高学歴), high income (高收入), high status (高地位)

(collective) the sun, the moon and stars

(collective, East Asian monarchy, of the reigning emperor) the empress consort, the empress dowager and the grand empress dowager

reference

(Confucianism) the three fundamental bonds and five constant virtues