This is the 9025th most frequent Turkish word.
telefonun
"Telefonun" means "your phone" in English.
Here, 'telefonun' is used in the possessive sense, indicating 'your phone'.
Telefonun çok güzel.
Your phone is very beautiful.
In this sentence, 'telefonun' still indicates possession (your phone), and the verb 'çalıyor' shows the action 'is ringing'.
Telefonun çalıyor.
Your phone is ringing.
Here, 'telefonun' is used to inquire possession, emphasizing 'your phone' with the possessive pronoun 'senin' also included.