Crucifix: n. some sort of representation of Jesus Christ on a cross. It could range from being a statue to a piece on a necklace.
⭐Fun Fact: NOT ALL Christians use the symbol of the crucifix. Ex: Jehovah Witnesses, Mormons (LDS). I believe in Christ myself, but do not believe in using the crucifix.
Fidelity: n. faithfulness or loyalty, usually shown through unceasing support or loyalty.
Canticle: some sort of chant or hymn that contains religious content (like bible verses) and is a regular part of church service.
Hope this answers your questions, and May the Force Be With You!
-Jabba
