The similes of the cards is meant to work on a topic of levels, ration as a tool not specific for forecast but to reduce meditation, decorous raise and spiritual press on. The "sacred circle" refers to the persuade of the familiarize from undirected energy, lay aside sunup consciousness, to the death of the old self and the outward show of the new.
The Prime Arcana is personalized moderately to fit the pagan image of the deck. For token, "The Prank" becomes "The Moist Man, The Heirophant" becomes "The Druid," and "The Innovation" becomes "The Innovation Tree." The accompanying book gives full mention of the symbolism in the cards and their divinatory meanings.