These are the same, except that a crucifix also has an image of the crucified Jesus on it. The cross is mentioned many times in the New Testament, but there is no suggestion that Christians used it as a visual symbol then.
These are the same, except that a crucifix also has an image of the crucified Jesus on it. The cross is mentioned many times in the New Testament, but there is no suggestion that Christians used it as a visual symbol then.