A political term for a communist party, either a specific party named 共産党 in context or part of a fuller name such as 中国共産党.
In that country, the Communist Party holds power.
She is researching the policies of the Communist Party.
He joined the Communist Party when he was a student.
After the war, a Communist Party was also formed in Japan.
Her father was a member of the Communist Party.
In this country, the Communist Party has held power for many years.