Something is “conventional” when it is based on agreement.

A convention is a set of agreed, stipulated, or generally accepted standards, social norms, or other criteria, often taking the form of a custom. (Wikipedia)

See: relative truth

The union of conventional and absolute

Existence appears as functional things.
Non-existence is the dharmatā of emptiness.
Both are indivisible, of one flavor.1

Footnotes

  1. Künkhyen Pema Karpo, The True Expression of the Middle Way