This is the 299th most frequent Swedish word.
nivå
"Level" or "standard."
Here, "nivå" refers to the level of proficiency or knowledge.
Hans kunskapsnivå i matematik är mycket hög.
His level of knowledge in mathematics is very high.
Here, "nivå" refers to the standard or quality of the discussion.
Diskussionen höll en professionell nivå under hela mötet.
The discussion maintained a professional level throughout the meeting.
In this sentence, "nivå" is used to describe the physical height of the sea's surface.