This is the 5556th most frequent Turkish word.
nde
"nde" is not a standalone word in Turkish but a suffix meaning "in, on, at" when attached to a noun, indicating location.
The word 'inde' is used here as the locative suffix to indicate location within the noun 'kitabı' (book).
Kitabın içinde birçok ilginç hikaye vardı.
There were many interesting stories in the book.
The word 'kenarında' incorporates the locative suffix to mean at the edge, indicating location related to the noun 'parkı' (park).
Parkın kenarında oturuyorduk.
We were sitting at the edge of the park.
The word 'sırasında' uses the locative suffix to refer to the time frame of the noun 'konser' (concert).