What is the meaning and meaning of the valley?

Oracle Bone Inscriptions-shaped, the upper part looks like water, indicating that it has just come out of a hole in the mountain and has not yet become a spring vein of a stream; It looks like Taniguchi down there. "Gu" is one of the radicals of Chinese characters.

Original meaning: a long and narrow lowland with an exit between two mountains often contains a watershed. -"Erya Shi Shui" No Barrier Valley.

-"The Legend of the Ram for Three Years".

-"Chu Ci Evocation" contains Xihuai Valley.

-"Selected Works Zuo Si Shu Du Fu" When I was a teacher, I dragged my feet in the ravine.

-Song Ming Lian's "Preface to Dongyang" is another example: syncline valley; Rift valley; Valley; Valley; Canyon; Valley; Taniguchi (the entrance between two mountains); Valley water (water in the valley) The water flowing between the two mountains gushed out of Tongchuan and became a valley.

-"Shuo Wen" Yang Gu all entered the text, and Yin Gu all entered the classics.

-Qing Yao Nai's "Complete Works of Xi Baoxuan" Volume 14 is another example: Gu Yin (Drinking Valley); Valley spring (spring water flowing between valleys) generally refers to the place where water can't reach rivers and valleys, so it is beneficial to ships.

-where the water in Mozi meets. Such as: Valley King (another name for Jianghai). Because it can hold hundreds of valleys of water, it is called the place where the well holds water. Such as: frog at the bottom of a well.

Such as: Gu Xi (the gap or depression between limb muscles is the place where meridian qi and blood are infused); Gu Dao (refers to the part from rectum to anus; Anal) ancient Taoist language.

Such as: Gu Cong (the God of the Valley) communicates with "Valley". The general term for crops and grains. Such as: Gudong Decoction (a mixed diet); Cereals (the general term for crops and cereals); Bai Gu