This is the 366th most frequent Polish word.
jedno
"Jedno" means "one" or "a single one" in English.
Numeral, emphasizing the singular answer.
Nie ma jednej odpowiedzi na to pytanie.
There isn't one answer to this question.
Numeral, indicating singularity or uniqueness.
To jest tylko jedno z wielu rozwiązań.
This is just one of many solutions.
Numeral, specifying the quantity of the free seats.