This is the 6993rd most frequent Polish word.
grupa
"Grupa" in English means "group."
In this sentence, 'group' refers to a collective set of individuals who share a common purpose or identity—in this case, students participating together in an activity.
Grupa studentów poszła na wycieczkę do muzeum.
A group of students went on a trip to the museum.
Here, 'group' is used to denote a band—a collection of musicians who perform together as a unit.
Zawsze lubiłam słuchać muzyki wykonywanej przez tę grupę.
I always liked listening to music performed by this band.
In this example, 'group' identifies sub-teams within a larger organizational structure, assembled for the purpose of collaboration and achieving specific tasks.