I hope that I am answering your question correctly; I think you are asking what symbols do we use in order to show that we are Christians? Well most use the cross, not the crucifix but the cross but I'm seeing more and more fish. It's a symbol much like a fish shape with the name Jesus in the middle. Some do at least.I also see young Christians wearing t-shirts with"Jesus Freak"on it. But old school Christians we mainly wear a cross.Hope that answers your question! ------