party
In German, the word 'Party' is used in the same way as in English. It refers to a social gathering or event, often involving music, dancing, and refreshments. It can also refer to a political party.
I am going to a party tonight.
This sentence is an everyday example of how someone might say they are attending a party. 'Ich gehe heute Abend auf eine Party' is a very common way to express this thought.
They are organizing the party at their home.
The phrase 'Sie organisieren die Party bei sich zu Hause' is how you describe someone else (in this case, plural) organizing a party in their home. 'Sie organisieren' can refer to either 'he/she/it is organizing' or 'they are organizing', context is needed to discern the meaning.
The party was very fun.
The sentence 'Die Party war sehr spaßig' is a statement portraying a reaction to a past event. 'Die Party war…' shows past tense referring to a situation that has ended. 'sehr spaßig' further details it was 'very fun'.