This is the 3791st most frequent Turkish word.
çıkınca
"Çıkınca" means "when (one) goes out" or "upon going out."
The word 'çıkınca' is used as a temporal clause here, indicating the action that will happen after the act of leaving the cinema.
Sinema çıkınca arkadaşlarım ile buluşacağım.
After leaving the cinema, I will meet with my friends.
Here 'çıkınca' serves as a temporal expression indicating the event which occurred following the act of going out into the garden.
Bahçeye çıkınca kuşların güzelliğini fark ettim.
Upon going out into the garden, I noticed the beauty of the birds.
In this case, 'sıkınca' (a form of the same verb), denotes a causative temporal clause, showing an action leading to a subsequent desire or feeling.