This is the 2923rd most frequent Turkish word.
park
An outdoor area with greenery, trees, and recreational space.
In this sentence, 'park' is used as a noun referring to a public outdoor space generally meant for recreation.
Biz hafta sonu çocuklarla parkta piknik yapacağız.
We will have a picnic with the children at the park this weekend.
Here, 'park' is part of the compound noun 'park yeri' (parking space), indicating a designated location for parking vehicles.
Araçlarını lütfen cadde üzerindeki park yerlerine bırakınız.
Please leave your vehicles in the parking spaces on the street.
In this case, 'park' is used as a verb meaning to station a vehicle temporarily at a location.