The Christian Church is a term used by some to refer to the whole group of people belonging to the Christian religious tradition throughout history. In this understanding, which is generally used by Protestants, "Christian Church" does not refer to a particular Christian denomination, but to the body of all believers. Others believe the term "Christian Church" or "Church" applies only to a specific historic Christian institution (e.g., the Catholic Church, the Eastern Orthodox Church, and Oriental Orthodoxy).