1) A general reference to levels above the physical—generally meaning Etheric, Astral, Mental and Spiritual.
2) A reference to levels above that being discussed, and generally meaning planes above the Spiritual or that our commonly grouped into the Spiritual Plane. Planes refer to a) levels of manifestation and b) levels of the Whole Person—as "bodies."
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...