A (long) while back, I started reading a book called Shaman, Sorcerers, and Saints: A Prehistory of Religion
  1. World viewIn most book religions, sacredness/divinity is something that is separate and often distant from material existence. In most traditional religions sacredness/divinity is imminent (though possible dormant) and can be accessed through the technology of religion (rituals, special items, etc). And if you notice, the differences in the following seven points pretty much all stem from this one thing.
  2. Sacredness of food and danceEcstatic experiencestheParticipationLife AttitudeGoals and moralityCentral MysteriesExclusivity
or full disclosure, I staunchly favor a polythetic definition of PaganismThe Allergic Pagan is one of the first people to write about this idea in this way, followed up by John Beckett at Under the per John Halsteadper John Beckett (per John Halstead) (per John Beckett)my Paganism'.

(previously posted, with a few changes, on my personal blog)