Christianity is different than Judaism and Islam religion. Christianity religion has a bible, they are have pastor(minister or pastor), their symbol is a cross, and their god is called Father or Christ.
Islam is different from Judaism and Christianity. They have a church called a mosque, their priest is called a Imam, their bible is called a Quran, their symbol is a moon with a star in it, and they call their god Allah.
The first picture up above is two kids in front if the star of David. They have a priest called a Rabbi, their church is called a synagogue, their holy bible is called a Torah, and they call their god, Jaweh.