This is the 9502nd most frequent Turkish word.
aktivitelerine
"To their activities."
Here, 'aktivitelerine' refers to the activities that belong to the children, indicating possession.
Çocuklar okul sonrası aktivitelerine katılır.
The children participate in their after-school activities.
In this sentence, 'aktivitelerine' describes Ali's sports activities, again showing ownership and involvement.
Ali'nin spor aktivitelerine yoğunlaştığı görülüyor.
It is seen that Ali focuses on his sports activities.
The use of 'aktivitelerine' denotes the activities associated with the club members, emphasizing connection and participation.