This is the 1896th most frequent Turkish word.
hedeflerine
"To their goals" or "to their targets."
In this sentence, 'hedeflerine' is in the dative case referring to the goals towards which Ali is working.
Ali, hedeflerine ulaşmak için çok çalışıyor.
Ali works hard to achieve his goals.
Here, 'hedeflerine' is also in the dative case and is used to indicate the focus towards the goals.
Hedeflerine odaklandığında, zorluklar daha kolay aşılır.
When you focus on your goals, challenges become easier to overcome.
In this usage, 'hedeflerine' is directed to signify moving intentionally towards goals with planning.