From the surface it seems like ordinary meditation...
Read a little bit on Their site and you see that they have a "secret word" that you use as a mantra.
Court documents reveal this "secret word" is a Hindu Goddess. They are all being deceived to think it is simply meditation but the reality is Hindu Worship.
They literally keep it a secret by telling each member this word is a secret and it is going to cost you $1500.
Maybe This Helps understand the secret word Oprah "They tell you not to tell anyone"