This is the 1570th most frequent Turkish word.
kullanıyor
"Using"
Here, 'kullanıyor' means 'is using' in the context of utilizing an object (the new phone) currently.
O yeni telefonunu kullanıyor.
He/She is using their new phone.
In this sentence, 'kullanıyor' denotes 'uses' as in the habitual or intended application of software for a purpose (work).
Bu yazılımı iş için kullanıyor.
He/She uses this software for work.
Here, 'kullanıyor' indicates 'uses' with the meaning of being in operation or practice in the intended context of facilitating transportation with a bicycle.