This is the 211th most frequent Croatian word.
jasno
"Jasno" means "clear" or "understood" in English.
Here, 'jasno' means 'clearly' or 'understandable' and describes clear comprehension.
Jasno mi je što želiš reći.
I understand clearly what you want to say.
In this sentence, 'jasno' describes the clarity of the sky, meaning it is cloudless.
Na planini je nebo bilo jasno bez oblačka.
On the mountain, the sky was clear without a single cloud.
Here, 'jasnije' is the comparative form of 'jasno', and it requests a clearer explanation.