Pure bliss consciousness and awareness are just some terms used to describe the fourth state of consciousness. These are the terms Maharishi Mahesh Yogi uses to help us understand this unique partition of awareness.
Awareness is a state which runs on a continuum with enlightenment is on the top, and enchantment on the bottom. There are a lot more people on the bottom than the top. So they say being enlightened is lonely, whereas being enchanted is being surrounded by friends.
The serenity of Sahaj Samadhi Yoga, or the 4th state of consciousness is a life changer. The benefits of Samadhi extend beyond the individual to the world. Are you interested in learning?