First, break down the phrase itself:

By targeting the Theta band, this tier opens the doorway to the subconscious mind. Users often experience vivid imagery, sudden insights, and the release of suppressed emotional blockages. Tier 3: Focus & Integration (Alpha & Gamma)

Subtle energetic frequencies intended to support the body's bio-energetic system. Usage and Strategy

The keyword you're using brings together three critical pieces that make this program so powerful:

Playing two slightly different frequencies in each ear to create a third internal frequency.