The fact that while all phenomena appear differently, they nonetheless share an identical nature.

The equality of all phenomena in their nature of emptiness.

Refers here to the awakened realization of the sameness or equality of all phenomena, since all phenomena share the ultimate nature in emptiness.

(The state of) “equality,” “equal nature,” “equanimity,” or “equalness.”

(The state of) “equality,” “equal nature,” “equanimity,” or “equalness.”

The fact that while all phenomena appear differently, they nonetheless share an identical nature.

The fact that while all phenomena appear differently, they nonetheless share an identical nature.

The equality of all phenomena in their nature of emptiness.