In some instances of ESP, either unregulated or under test procedures, it is unclear as to which sense—clairvoyance, telepathy, precognition, etc.—is in play. Rather than try to define it after the fact, it is simply called general extrasensory perception.
Readers, please enjoy this guest blog post by Sandra Kynes, author of several books, including The Herb Gardener's Essential Guide, Plant Magic, and the new Witches' Encyclopedia of Magical Plants, among many others.
Although a few old books...