There does not appear to be a Baike article about this poem, but yao is another word for jade.
However, the article for Gong Liu (historical person) says that this poem was about him. He led a historical migration after the decline of the Xia dynasty, when the population was suffering attacks from nomads and the agricultural production of the plain decreased, and established the country of Bin. He is one of the ancestors of clan which will later establish the Zhou dynasty.
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Re: 250. 公劉 - Gong Liu
Date: 2021-05-30 10:12 pm (UTC)However, the article for Gong Liu (historical person) says that this poem was about him. He led a historical migration after the decline of the Xia dynasty, when the population was suffering attacks from nomads and the agricultural production of the plain decreased, and established the country of Bin. He is one of the ancestors of clan which will later establish the Zhou dynasty.