This is the 12058th most frequent Turkish word.
görevlendirildikleri
"Görevlendirildikleri" means "the tasks/assignments they were appointed to."
The word 'görevlendirildikleri' is used here to describe being assigned to a specific project, forming a relative clause.
Görevlendirildikleri projeyi başarıyla tamamladılar.
They successfully completed the project they were assigned to.
In this sentence, 'görevlendirildikleri' refers to a specific location that the individuals were tasked with reaching.
Görevlendirildikleri yere zamanında ulaştılar.
They arrived on time to the place they were assigned to.
Here, 'görevlendirildikleri' describes a mission or task to which they were assigned, indicating the noun 'görev' in a relative clause.