– Imitation: that be imitating the event or thing desired, such as through pantomime, image or effigy, the desire can be brought about.
– Contagion: that two things once connected/associated, stay connected on a spiritual level. and that those connections allow one to use one thing to effect its partner, despite physical distance.
– Sympathy: Like attracts like. like is connected to like. Like shares powers, ability’s and qualities of like. the qualities, powers and essence of a thing or idea can be drawn on by a castor by using items that resemble it, or are otherwise associated with it through meaning.
sometimes these precepts are literal, sometimes more abstract.