The Relaxation Ritual calms the mind and relaxes the body, making all forms of energy work easier. It also enhances your sensitivity to these energies. This sensitivity is necessary to enable you to better control these forces.
The Lesser Banishing Ritual of the Pentagram cleanses the aura and releases psychic baggage and inner (or microcosmic) connections.
The Lesser Banishing Ritual of the Hexagram cleanses your external environment.
The Lesser Invoking Ritual of the Pentagram energizes the Astral Body and creates or strengthens conscious connection to the Internal World or Microcosm.
The Lesser Invoking Ritual of the Hexagram brings in energy from the External World, or Macrocosm, through your consciousness and connects your consciousness to the Macrocosm. This connection is necessary in order to perform magick.
The Ritual of the Middle Pillar balances and integrates the internal and external energy with your personal consciousness, enabling you to exert a controlling influence in both the internal and external worlds (Magick).
The Circulation of the Body of Light both further integrates your consciousness with the aforementioned energies, but enables you to safely practice exerting that personal control over these forces.
In most basic terms, this ritual routine relaxes the body and clears the mind and aura of contradictory forces. It then empowers the mind, and energizes your aura, enabling any other metaphysical (magick) techniques or practices.