This is the 2920th most frequent Turkish word.
par
Trace, mark, or a small piece/part.
Here, 'parlayan' derives from the verb 'parlamak,' meaning 'to shine,' used as an adjective describing the 'star'.
Parlayan bir yıldız görüyorum.
I see a shining star.
In this sentence, the method of partiality or fragmental state is described using 'parça'.
Bu elbette sadece parça parça bir bilgidir.
This is, of course, just fragmented information.
'Parıltılı' is an adjective built on 'parıltı,' meaning brightness or splendor, denoting an optimistic vision here.