This is the 406th most frequent Chinese word.
这里
"Here" or "this place."
In this sentence, '这里' (zhè lǐ) refers to the specific location being pointed out, the library.
这里是图书馆。
This is the library.
Here, '这里' is used to indicate the place ('here') where the described group of people are located.
这里的人都很友好。
The people here are very friendly.
In this context, '这里' specifies the exact location where the meeting is suggested to occur.