The term made popular by Aleister Crowley to differentiate the true science of the Magi from that of prestidigitation. Magick is a specific act designed to cause change - manifestation.
"It is -possible to cause in any object any change of which that object is capable by nature." according to Aleister Crowley who got the inspiration for the spelling from its usage by the famous English Magickian, Dr. John Dee. His definition treats Magick in the context of the paranormal and of religion.
The practice of Magick is found in ancient Judaic, early Christian texts, Gnostic traditions, Pagan Traditions, Egyptian Religions and all variations of Ifa. Magick is often a component of secret societies, including Masonic, Hermetic, and Rosicrucian Orders. Members of The Church -including Popes, penned several treatise of Magick, and several world leaders have and continue to employ the services of Magickians.