This is the 17002nd most frequent Turkish word.
çantanın
"Çantanın" means "of the bag" or "the bag's" in English.
In this sentence, 'çantanın' is used in the genitive case to indicate possession, specifying the bag's color.
Çantanın rengi çok güzel.
The color of the bag is very beautiful.
Here, 'çantanın' again is in the genitive case, referring to the contents inside the bag that belong to it.
Çantanın içindekileri kontrol ettim.
I checked the contents of the bag.
In this sentence, 'çantanın' shows possession of the handle, indicating the specific handle that is broken belongs to the bag.