This is the 7219th most frequent Polish word.
jedni
"Jedni" means "some" or "some people" in English, typically used to refer to a group in contrast to others.
The word 'jedni' is used as a pronoun to refer to the first group in a sentence comparing two groups.
Jedni ludzie lubią sport, a inni preferują sztukę.
Some people like sports, while others prefer art.
Here 'jedni' serves to introduce the first set in a contrasting situation.
Jedni wyjechali na wakacje, drudzy pozostali w domu.
Some went on vacation, while others stayed at home.
In this sentence, 'jedni' is referring to a subset of people discussed.