This is the 1212th most frequent German word.
party
A social gathering or celebration.
Here, 'party' is used in the broader sense to indicate a group of individuals who are collectively involved in an activity, such as a team or a delegation.
Wir müssen die Verantwortung unter der gesamten Party aufteilen.
We need to distribute the responsibility among the entire party.
Here, 'Party' refers to a social gathering or celebration event.
Ich gehe heute Abend auf eine große Party.
I am going to a big party tonight.
In this context, 'Partei' (often translated as 'party' in English) refers to a group formed for political purposes.