What does Tian Xuan mean?

Tian Xuan's explanation.

(1). The northern sky. Lu Chunqiu Shi: "The North is mysterious." Gao: "North was built in November, and it is also in the water. Water is black, so it is mysterious. " The poem "Wandering Immortals" by Wei Caozhi of the Three Kingdoms states: "Xuantianzhu in the Arctic, Danqiu in the South." (2). Generally refers to the sky. Zhuangzi Zaiqi: "The chaos of heaven, the love of things, the mystery of heaven." "Biography of Heather Yang Xuanbao" said: "Xuanbao was born in Longdi, but he was helped by a fairy." Tang Meng Jiao's poem "Qian Shilang Ganlu": "How can the mysterious sky speak, the dew is clear and loose?"

Word decomposition

Xuan's explanation is profound and difficult to understand: mystery. Mysterious. Hyunri (. Profound truth; The truth advertised by metaphysics in Wei and Jin Dynasties). Metaphysics mystery. Hypocrisy, unreality and unreliability: fantasy. Therefore. Black: Dark blue (dark black). Xuanwu (the northern god worshipped by Taoism) is the explanation of turtles and snakes meeting the sky. Heaven is high above the ground: the sky. Sky. Plough (Big Dipper). Tianyuan (heaven and abyss, different metaphors) The sky is boundless. Top: The top of the sky (the blank space at the top of the page). Climate: weather. It's very cold. Season, season: winter.