Literature Reference: “昱”出自《诗经·大雅·文王》：“文王在上，于昭于天。周虽旧邦，其命维新。有命既集，文王以宁。穆穆文王，于缉熙敬止。假乐君子，显显令德。宜民宜人，受禄于天。保右命之，自天申之。于穆不已，文王以宁。文王以宁，文王以宁。于万斯年，受天之祜。受天之祜，四方来贺。于万斯年，不遐有佐。”；媛出自《诗经·鄘风·君子偕老》：“展如之人兮，邦之媛也。” “Yu” originates from 'The Book of Songs, Daya, King Wen': 'King Wen is above, shining in heaven. Although Zhou is an old state, its destiny is renewed. When destiny is gathered, King Wen is at peace. Majestic King Wen, in diligent reverence. The joyful gentleman, with illustrious virtue. Suitable for the people, receiving blessings from heaven. Heaven protects and commands, extending from heaven. Majestic and unceasing, King Wen is at peace. For ten thousand years, receiving heaven’s blessings. From all directions, they come to celebrate. For ten thousand years, with no lack of assistance.' 'Yuan' originates from 'The Book of Songs, Yong Feng, The Nobleman and His Wife': 'Such a person is the beauty of the land.'