UC is unification of the world of attributes from the gross material to the rarified celestial. I like to call it the World of Everything. Or just plain Everything for short. :)
Beyond Everything is Nothing. Even samadhi, according to Maharishi Patanjali, has two aspects, savikalpa - samadhi with attributes and nirvikalpa - samadhi without attributes.
Nothing isn’t spoken of much, I mean like what can you say about Nothing. :) So, Everything gets all the attention. But let’s shine some light on Nothingness.
Nothingness can be spoken of as Shiva. Many call Shiva the destroyer but he’s really the lack of Everything-ness. A state of no identity of No Self. He is Transcendence with a capital “T”. This can be termed as ‘destroyer’ if we are strongly attached to Everything-ness. And if you experience Nothingness completely it’s pretty scary in the beginning when you realize you really have nothing to hang on to. You are absolutely alone. That experience will shake you to the core and will never be forgotten.
From the standpoint of Everything, Nothingness seems like a destroyer. However, from the standpoint of Nothingness it’s simply a counter balance to Everything-ness. Here in lies the case for Nothingness to have equal billing with Everything. Now unification here unveils a more mature comprehension of consciousness development a state of early Brahman Consciousness.
Words used to describe BC are totality, wholeness, evenness. This comes from the inclusion of Nothingness with Everything and its being appreciated as, of equal value, seen everywhere in everything without separation. One within the other, literally impossible to separate.
In the first few verses of chapter 5 of the Bhagavad Gita Lord Krishna discusses renunciation of action, Samkhya (Nothingness) and the union of action, Yoga (Everything) as one. At the end of chapter 5 verse 5 Krishna ends with, “... He who sees Samkhya and Yoga to be one, verily he sees”.