Introduction; PART I. RITUAL REQUIREMENTS: 1. Defining the spaces: screens; 2. Presenting the sacrifices: altars; 3. Washing the sins: fonts; 4. Serving the sacraments: plate; 5. Adorning the rites: cloth; 6. Providing the words: books; 7. Preserving the treasures: receptacles; PART II. ADDITIONAL COMPONENTS: 8. Depicting the faith: paintings; 9. Lighting the darkness: glass; 10. Embodying the holy: images; 11. Creating the music: organs and bells; 12. Conveying the message: pulpits and seats; 13. Raising the levels: galleries; 14. Recalling the dead: memorials; Conclusion.