Space is not homogeneous. Thus Mircea Eliade begins his classic discussion of sacred space. Sacred space is structured and differentiated and thus represents order and purpose; in this, it is distinguished from profane space, which is unstructured and represents chaos.
William Mahrt is Associate Professor of Music at Stanford University, specializing in Medieval and Renaissance music. He is President of the Church Music Association of America and editor of its journal Sacred Music, and he conducts a chant choir which sings Gregorian Mass and Vespers with classical polyphony every Sunday.