The Devil is the principal personification of evil in much of Christian tradition and a major source for later Western images of Satan. The term is not identical with every historical use of Satan, nor does it describe one unchanging character across the Bible, theology, folklore, literature, art, and modern religion. In contemporary speech “the Devil” often functions as a proper name for Satan, but…
The Key of Solomon is a transmitted family of magical texts concerning preparation, ritual, and ceremonial instruments. It should be distinguished from the five-part Lesser Key of Solomon.
Picatrix is the Latin title associated with an influential Arabic work of astral magic. Its cosmological and ritual framework differs from a catalogue of Goetic spirits.
Primary sources provide direct evidence for a text, community, or historical setting. Reading them well requires context, precise citations, and comparison with other evidence.