This document discusses space decoration and interior design in churches. It defines space decoration as emerging from nonverbal communication and artifactual messages. Interior environments establish meaning for people. Colors influence space. The document then examines the interiors of American Catholic and Ukrainian Catholic churches. Key differences are architectural styles, sizes, wall/ceiling paintings, use of gold, and main icons. American churches tend to have more pews than Ukrainian churches. Interior spaces in churches include 14 stations of the cross, altars, tabernacles, and pews.