Materium :
The collective of material, or collapsed waves, due to individual or collective thought or focus. “You are able to effect & shape the materium on a grand scale with collective though & focus.”
Aetherical:
Kind of the opposite of Materium; potential wave energy, and/or intangible forms, structures, intelligences, and other things we don’t know or speak of; Where thought comes from, and what it effects.