Christianity has a 2000 year history that spans multiple cultures. Thus throughout those millinia it has aquired various symbols whithin it., to represent various ideas and notiins. The cross indeed is a christin symbol, so is the fish, for catholics who are rather rich in symbolism they have a wealth of other symbols to represent certain aspects. The sacred heart is one, the stygmta is another. The rose for mary is another. Protestantism is a new kid on the block, (looking at a time line, form 1 A.D. to the reformation...is a span of close.to 1500 years give or take. and thus doesnt posses the same variety of symbols as older varients do. The pentagram was a christian symbol and accepted as one for most the midde ages and the renassance through the enlightenment in euroope. This only began to change in the 19 century when it began to be superceded by other symbols in main stream christianity, thus its other use, the occult use continued. And now generally is only used as an occult symbol. Or as a religious symbol in neo pagan religions ie wicca. The cross, is also a duel symbol. It is a christian symbol as well as a very deep and very much used occult symbol in almost all magick of the western esotaric tradition. Besides ogdoadic and neo pagan forms of it. Both the cross and the pentagram pre date christianity, (anybfirst year egyptology course makes this rather clear, the archeological record is extant.). though these synbols once fused with christianity aquired different meanings to christians. The ankh of egypt is an example of a pre christian use of a cross, the pentagram was used in pythagarian phiosophy and in some varients of neo platonism prior to the acendency of christianity in Roman empire.
