What is the union of all baptized members of the church on earth and heaven and in purgatory?

The union of all baptized members of the Church on earth, in heaven, and in purgatory is known as the Communion of Saints. This concept encompasses the fellowship and spiritual connection among all believers, transcending time and space. It reflects the belief that all members, whether living or deceased, contribute to the collective holiness of the Church and support one another through prayer and intercession. Ultimately, it signifies the unity of the faithful in Christ, bound together by their shared faith and sacraments.