What is the main content of the three visits to the cottage?

The main contents of the three visits to the thatched cottage: Liu Bei took Guan Yu and Zhang Fei to meet Zhuge Liang in Longzhong, and Zhuge Liang traveled for the first time; The second time I still didn't see Liu Bei, I left a letter and went back with regret that I didn't see Kong. The third time Zhuge Liang took a nap, Liu Bei waited for him to wake up and change his clothes before finally meeting each other. Zhuge Liang was moved by Liu Bei and agreed to go out of the mountain.