Western painting has a tradition of academy and salon exhibitions, and the paintings shown were intended to be hung on a wall and criticized, while religious murals were painted on the walls of churches to edify and be seen by large numbers of believers.
西畫有學院與沙龍展覽的傳統，參選畫作本來就是在牆上被評論指點的，而宗教畫更是掛在教堂裡弘揚訓誡，讓大量的信徒參觀。