Muslims often ask Christians this question. To stay on familiar ground let us for a moment look at divisions and sects within Islam. Those in excess of 73 are not mentioned. Different lists have been compiled. Admittedly most of the sects have only minor theological differences, but so, too, have most of the Christian denominations.
Most people seem to think that a church is a building, something like a mosque, synagogue or temple.
This term is generally used, but is incorrect. Again this term is in general use, but is incorrect. He is called into fellowship with God and other believers. Schism is invariably the result of differing concepts, doctrines or opinions. Already in the early Church some leaders deviated from the New Testament Scripture.