Christian art includes images that act as tangible signs of intangible concepts, and images that recount a specific event.

The words to fill the blanks are:
1) Iconic.
2) Narrative.

Christian Art is a sensitive and sacred workmanship which makes use of topics and symbolism from Christianity. Most Christian sects use or have utilized art to some degree, albeit some have had solid protests to a few types of religious picture, and there have been significant times of iconoclasm inside Christianity.

That is true , instead try to have a sit down talk with them