Where do the words "Yu Li" and "Pan Shui" in the Book of Songs come from, and what do they mean?

"The Book of Songs·Xiaoya·Fish Li"

The fish is as beautiful as the 綶, the shark. A gentleman has wine and many purposes.

The most beautiful fish is the bream and snakehead fish. A gentleman has wine, and he has plenty of it.

The fish is more beautiful than the Yi, the turtle and the carp. A gentleman has wine and a purpose.

There are so many things, so be so beautiful!

Things have their purpose, and we must keep them together!

Things are as they are, and they are in their proper time!

Yu: swimming fish;

Li (Yinli): catch, encounter, fall. When talking about calendar, it goes through.

"The Book of Songs·Ode·Panshui"

Thinking of Panshui and picking the celery in thin layers. The Marquis of Lu stopped being violent and watched his flag.

The flag is flying, and the luan is chirping. No matter small or big, follow the public and lead the way.

Sleep in the water and collect algae. The Marquis of Lu stopped being violent and his horse faltered.

The horse is flying, and the sound is clear. Colorful and laughing, the bandit is angry with the Islamic religion.

Sleep in the water and collect the corn. The Marquis of Lu stopped being violent and drank wine in Pan.

It’s hard to grow old even if you drink wine. Follow his long path and submit to this group of ugly people.

Marquis Mumuru, respect his virtues. It is the rule to respect and be cautious about dignity and maintain the people.

Yunwen and wu show off the false ancestors. If you are unfilial, you will ask for Yihu.

The Marquis of Lu is known for his virtues. Now that it has been built as Pan Palace, Huaiyi will be conquered.

Adjust the tiger ministers and offer food in Pan. Shu asked Rugao Tao and offered prisoners in Pan.

Easy toast and conquer Guang’s moral heart. When Huan Huan was on the expedition, he moved to the southeast of Di.

The Emperor Hao Hao is not Wu Yang. Don't tell me, but do my best in Pan.

The horn bows its head. Search with arrows. Military chariot Kongbo. Tuyu Wuqi.

Having conquered Huaiyi, Kong Shu would not rebel. Shigueryu, Huaiyi died.

The flying owls gather in Panlin. Eat my sangqi, cherish my good music.

I look forward to the Huaiyi people and come to offer their Chen. The turtle and elephant tooth of Yuan Dynasty greatly bribed Nanjin.

Panshui: the water of Pan Palace. Pan Palace is the school.

The "Collection of Ancient and Modern Books" records: "The Zhou Dynasty inherited the system of the Four Dynasties and established four schools in the capital. Yong was in the middle (that is, Chengjun), Dongjiao was on the left (that is, Dongxu), and Guzong was in Youxue (i.e. Youxue), Yuxiang is in the western suburbs of the country, and its capital in the Hou Kingdom is called Pangong. From the countryside, it is located in Xiangxu." From this, it can be seen that the schools in the Western Zhou Dynasty are roughly divided into Chinese studies and rural studies. Two levels. Chinese studies include the Four Studies of the Capital and Pangong, and Xiangxue refers to "Hangxu".