Where does "Huguang" mean in "Huguang fills Sichuan"

"Two lakes, two provinces, two rivers and mountains", in which two lakes refer to Hubei and Hunan, and the two provinces are named after Dongting Lake; The two rivers refer to Hebei and Henan provinces, named after the Yellow River; The two mountains refer to Shandong and Shanxi, named after Taihang Mountain.

region name. Song He called Jing Hunan and Hubei two roads "two lakes". Qinghe called Hunan and Hubei provinces "two lakes". Guangdong and Guangxi (also known as the Guangdong-Guangdong Zone), also known as Guangdong, is the collective name of Guangdong and Guangxi. The joint name began in Jingtai, Ming Daizong in the third year, and the famous minister Yu Qian invited the governor of Guangdong and Guangxi to be appointed. Ming Xianzong Chenghua became a custom in the sixth year, and the seat of governance was located in Wuzhou (now Guangxi) at the junction of Guangdong and Guangxi, and moved to Zhaoqing in Jiajing in the forty-third year (1564).

The word "Guang" in Guangdong and Guangxi originated from the ancient place name "Guang Xin" in the pre-Qin period. Guangdong and Guangxi are divided by Guangxin, whose east is Guangdong and whose west is Guangxi.