The book "Symbolism of churches and church rites. Translation of the first book from the Rationale of the Divine Trays" by Guillaume Durand is an important source for studying the symbolism and meaning of church buildings and rites. In his study, Durand examines various aspects of church architecture and decoration, explaining their symbolic meaning and purpose. The author analyzes in detail how the architectural elements of churches reflect spiritual and theological ideas, and reveals how the spiritual meaning of Christianity is deepened through the form and decoration of churches. Guillaume Durand's book helps the reader better understand the symbolism of church buildings and ceremonies, expands knowledge about the cultural heritage and spiritual world of the Middle Ages.