Question

He degree of separation between the object or event that an artist creates and the audience that observes it is called

Answer 1

I believe the answer is: Aesthetic

The aesthetic level in a certain artwork would determine how 'beautiful' that artwork would seem on the eyes of its beholder. Aesthetical level tend to be different from one person to another depending on our 'taste' in what we consider to be bautiful/pleasant to look at.