Astrology is the term for the study of the heavens for arcane purposes and is one of the three core principles which form Morynian Cosmic Studies
Astrolatry is the term for the worship of the stars and celestial bodies as deities and is one of the three core principles which form Morynian Cosmic Studies
Astromancy is the term for the magical practice that uses the knowledge of the heavens in order to effect change within the world, and is one of the three core principles which form Morynian Cosmic Studies
The Signs are the twelve constellations that orbit around the planet's ecliptic and encompess the signs of the Zodiac.
The Planets are the numerous celestial bodies in the Solar System all bearing the name of different deities within the Morynian Pantheon.