All exists on a spectrum of vibration

All things which exist- the material universes, the archetypal worlds, the GodheadGodhead
Kether, the smooth point. The totality of existance and non-existance.
- all exist on a spectrum of vibration. This is affirmed by the Principle of Vibration of the The Seven Hermetic PrinciplesThe Seven Hermetic Principles
The Principle of Mentalism
The world is mental. Consciousness precedes material. Action is preceded by desire .

The ALL… May be thought of as an universal, infinite, living mind.


– The Kyb...
. For example, Matter is just the spectrum of energetic vibration that is tangible to the mundane sensesMatter is just the spectrum of energetic vibration that is tangible to the mundane senses
Just like how color is merely the spectrum of light that is visible to our senses- matter is the spectrum of spiritual energy that is tangible to the human senses.

Not just matter but All exists...
. It is a slow and low vibration that is dense. Our emotional experiences, as well as our mental conceptions also exist on this spectrum of vibration. These finer forms, are thought to be of a higher vibration.

We can group functions and forms at various rates of vibrations as existing within broad Planes of Existence Private or Broken Links
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For example: in Platonism, there is the concept of the Platonic Ideal (i.e. There exists many chairs but there is only one Ideal Chair which is the concept of a chair. It is how we recognize a chair we have never seen before as being a chair- because it is an emanation of the concept of "Chair"). These Platonic Ideals can be thought of as existing in a Plane known as the The Plane of Archetypes Private or Broken Links
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Separation of Interaction

While there is not actually a hard division between these Planes, there is a seperation of interaction between these various ranges of vibrations, because only vibrations of similar rates can interact with each other. But there is some cross over as the lowest vibrations of the Astral Plane can affect the highest vibrations of the physical plane which can then act upon the lower vibrations of the physical plane


References

The KybalionThe Kybalion
By Three Initiates

(likely *William W. Atikinson so sayeth wikipedia (although he does seem a likely candidate judging from his other book "The Four Arcane Truths"))

This Principle explains that the differences between different manifestations of Matter, Energy, Mind, and even Spirit, result largely from varying rates of Vibration. From THE ALL, which is Pure Spirit, down to the grossest form of Matter, all is in vibration—the higher the vibration, the higher the position in the scale.