which speaks for itself, really.  Christians may not always get it right, but most of the time they know it’s important, and they keep trying.

Food: hot cross buns
Prayers; the sign of the cross, prayer before a crucifix, Lord, by your cross and resurrection, you have saved the world, etc.
Bible: the passion, in four gospels, and the bits of St Paul, where he explains that he is preaching a crucified Christ.
Art; I forget the name of the piece, and the artist.  So I can’t put that down here.
Music: Christus vincit. When I survey the wondrous cross, The old rugged cross.