This is the 3168th most frequent Turkish word.
düşünceleri
"Thoughts" or "ideas."
Here, 'düşünceleri' is used as a possessive form of 'thoughts,' referring to what they think or their ideas.
Onların düşünceleri oldukça ilginçti.
Their thoughts were quite interesting.
In this sentence, 'düşünceleri' denotes the subject of the questions, indicating someone’s perspectives or ideas.
Düşünceleri hakkında birkaç soru sordum.
I asked a few questions about their thoughts.
Here, 'düşünceleri' specifies opinions or views about a particular topic, in this case, the new project.