Firaaq is an Urdu word which comes from an Arabic root. The meaning of the word is separation, or more usually (especially in Hindi-Urdu contexts) anxiety, care, a keen desire for something.
A commonly used example of Firaaq's usage would be, 'Woh kis firaaq mein hai?' which would mean, what does he desire, or more simply, 'what does he want?', 'what is he after?'