This is the 6133rd most frequent Polish word.
are
In Polish, "ar" refers to a unit of area equal to 100 square meters.
In this question, 'są' is used to indicate location or presence of the plural subjects in a specific place.
Czy oni są w domu?
Are they at home?
The word 'są' translates to 'are' and is used to convey existence or state of being for plural subjects.
Jaki są twoje plany na weekend?
What are your plans for the weekend?
Here, 'są' is used to describe the quality or state of plural subjects, linking the subject to its predicate.