This is the 731st most frequent Croatian word.
znati
To know.
The word 'znati' here is used to express personal knowledge or awareness of solving a specific issue.
Znam kako riješiti taj problem.
I know how to solve that problem.
The word 'znati' in this sentence demonstrates proficiency or skill in an activity, in this case, playing the piano.
On zna svirati klavir vrlo dobro.
He knows how to play the piano very well.
Here, 'znati' is employed in a question to confirm empirical knowledge or information about an upcoming event.