astral plane

noun2

1. •
   A supernatural plane of existence consisting of the world of the celestial spheres, propounded by esoteric philosophies, some religious teachings, and New Age thought.

   • Incidentally, such beings may be said to have an existence of a sort upon the lower astral plane; they are elementals created by man's evil desires and unclean thoughts. — 1936
2. •
   (slang, humorous) A Unicode plane (range of code points) above the Basic Multilingual Plane; any plane beyond U+FFFF.

   • Emoji are in the astral plane.