Art can serve a purpose in religious buildings simply in the architecture itself. Also, art can be a constant reminder of one's religious beliefs.
Cave paintings are evidence of artistic ideas, language, and (possibly) religious ideas as well.
Answer:
Multicolred art would be a mosaic.
Texture is the way something feels to the touch, or looks to the eye. Words like rough, silky, shiny and dull help writers describe the texture of an object. An artist shows texture to accomplish the same goal. There are two types of texture: tactile and visual.