This is the 16990th most frequent Turkish word.
çalıştıkları
"Their working" or "the place they work."
In this sentence, 'çalıştıkları' is used as a relative clause word meaning 'they work at,' forming 'the company they work at.'
Çalıştıkları şirket yeni projeler üzerinde yoğunlaşıyor.
The company they work at is focusing on new projects.
Here, 'çalıştıkları' refers to the subjects they are engaged in (working on), emphasizing a connection and action.
Çalıştıkları konular oldukça karmaşık görünüyor.
The subjects they are working on seem quite complex.
In this sentence, 'çalıştıkları' defines the time frame during which they are working.