The two main aspects of One Taste, and the three centers...
Awake emptiness and form
The ultimate one is Spirit awakening to itself. The field of awake emptiness and form, awakening to itself as a field, absent of I anywhere, with a center nowhere and everywhere. Everything arises as Spirit, as awake emptiness and form, as Big Mind, Brahman, The One.
There is typically an intuition of this, maybe a taste or a glimpse, a deepening intuition and sense of it, more tastes and glimpses, all of it allowing our human self to reorganize to this new context, and then it eventually pops and stabilizes.
And as with the other forms of One Taste, described below, this one too seems to have three centers: seeing, feeling and heart. There is a seeing of it all as Spirit, centered in the head, a feeling of it all as Spirit, centered in the belly, and a loving of it all as Spirit, centered in the heart.
The seeing allows the view and cognition of our human self to reorganize to all as Spirit, the feeling allows its emotions to reorganize to all as Spirit, the loving allows the heart to reorganize to all as Spirit. It is Spirit seeing itself, feeling itself, and loving itself.
The world as a mirror for our human self
The other aspect of One Taste is the world as a mirror for our human self.
Whatever I see in the wider world, is also here in this human self, and the other way around, whatever I see in this human self is also out there in the wider world, somewhere, at least as a potential. Any quality, any characteristic, any skills.
As with One Taste of all as Spirit, this one has three centers.
There is the seeing, feeling and loving of what is out there as also right here, and the other way around.
And this one too involves a deepening into it, an increased familiarity with it, an active engagement with it. Specifically, it involves making the qualities seen out there known, intimately familiar, as a lived reality in this human self. It is not only something seen out there and merely recognized in here, but it is a lived reality right here, something that is actively explored, known, lived, in always deeper and richer ways. It becomes part of the active repertoire of this human self.
Other aspects and examples of One Taste
Then there are some other aspects and examples of One Taste.
One, which is implicit in the two other ones, is the heart. The One Taste of the heart, open to all of the infinite forms of Spirit. It is a whole heart, wholeheartedly embracing whatever arises. It is all loved as Spirit, independent of its particular form. It is Spirit loving itself.
And then there are other ones, such as the ones found in Buddhism where we remind ourselves that all beings seek happiness and release from suffering. We are not different there. We are in the same boat. And the practice of refuge in Tibetan Buddhism, where we visualize all beings taking refuge in the Buddha Mind, as we ourselves do.