Orion is a wonderful instrumental, so deep and as if the bass talks about rage and grief,especially the final solo. ♥
So here's the meaning of Orion itself.

Orion, often referred to as The Hunter, is a prominent constellation located on the celestial equator and visible throughout the world. It is one of the most conspicuous, and most recognizable constellations in the night sky. Its name refers to Orion, a hunter in Greek mythology.

In modern astronomy, a constellation is an internationally defined area of the celestial sphere. Historically, the term was also used to refer to a perceived pattern...