This is the 3rd most frequent Turkish word.
ile
"With" or "and."
In this sentence, 'ile' signifies the tool or method by which the action is performed.
Ödevimi bilgisayar ile yaptım.
I did my homework with a computer.
Here, 'ile' is used to mean 'by,' specifying the means of transportation.
Tatilde araba ile seyahat ettik.
We traveled by car during the vacation.
Here, 'ile' is used to mean 'with,' indicating accompaniment or togetherness.