Which innovative retail design principle was FIRST pioneered by medieval cathedral architects and is now commonly used in premium religious bookstores?

Religious bookstores, spiritual supply shops, and faith-based marketplaces have evolved significantly in their retail design approach. The physical layout of these specialized stores often incorporates elements that reflect theological principles and enhance the customer's spiritual experience while browsing. This poll tests your knowledge about how product design in religious retail spaces has been influenced by spiritual traditions.

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Journey mapping - creating a physical path through the store that mimics a spiritual pilgrimage
Sensory merchandising - using incense and ambient sounds to create an immersive shopping environment
Vertical prominence - placing highest-margin items on eye-level shelves that represent spiritual hierarchy
Community tables - providing central gathering spaces that encourage discussion among shoppers