1, "Five Lakes" refers to: Danghu Lake, Taihu Lake, Shehu Lake, Gui Hu Lake and Gehu Lake;
2. "Four Seas" should refer to: Bohai Sea, Yellow Sea, East China Sea and South China Sea;
"Three Rivers" refers to Wujiang River, Qiantang River and puyang river.
There are many sayings about "Three Rivers":
1, recorded in Putonghua: "Three Rivers" are Wujiang, Qiantang and puyang river;
2. The "Three Rivers" recorded in Wu Yue Chun Qiu are Songjiang River, Qiantang River and Puyang River;
3. According to the Geography of Hanshu, Beijiang, Zhongjiang and Nanjiang are collectively called "Three Rivers";
4. The "Three Rivers" recorded in Water Mirror Notes are: Minjiang, Songjiang and Zhejiang;
5. The "Three Rivers" recorded in the classic interpretation are Songjiang, Loujiang and Dongjiang;
6. The "Three Rivers" in Huayang National Records refer to Minjiang River, Fujiang River and Tuojiang River;
7. Another way of saying it is that "Sanjiang" refers to Sanjiang County (in present-day Guangxi Zhuang Autonomous Region). ;
8. "Three Rivers" should be the general name of many rivers and waterways in the outflow river system.