This is the 3132nd most frequent Catalan word.
piscina
Swimming pool.
In this context, 'piscina' functions as the destination in this expression of motion.
Anem a la piscina després de dinar.
We are going to the swimming pool after lunch.
'Piscina' here is presented as the location where the action is taking place.
Els nens juguen amb joguines a la piscina.
The children are playing with toys in the swimming pool.
Here, 'piscina' refers to a physical swimming pool, used as the subject of the sentence.