This is the 721st most frequent Swedish word.
gästerna
The guests.
Here, 'gästerna' is the plural definite form of 'gäst', used to refer to a specific group of guests known to the speaker and listener.
Gästerna anlände tidigt till festen.
The guests arrived early to the party.
In this sentence, 'gästerna' indicates a specific group of guests who are being actively addressed in the narrative.
Värden välkomnade gästerna med ett stort leende.
The host welcomed the guests with a big smile.
Here, 'gästerna' is used to describe the subjects of the action, emphasizing their known identity as the definite noun 'the guests'.