So let us play your beloved game of definitions:
Physical level one definition as per Google:
-relating to the body as opposed to the mind.
So according to this definition there is more than the physical, because there is the mind.
-relating to things perceived through the senses as opposed to the mind; tangible or concrete.
So here is the word "elephant". What the sign as a word is about is tangible or concrete.
We will do physical as scientific if we need and that is level 2, but there is how confused you apparently are:
is a sign. What is the sign about? It is about being confused and confused is not tangible or concrete. Confused is in your mind. So you use the non-physical yet you are apparently not aware of it.
The referent(the thing in the world that a word or phrase denotes or stands for) of your emoji, which is a sign like a word, and doesn't stand for a physical thing. It stands for a mental state in your mind. The referent doesn't met the requirements of being objective (
Definition of OBJECTIVE 1A, 2A, 2B) or does it met the requirement for being physical as given above.
The word "confusion" is not physical nor objective and the confusion is in you. It is you, who apparently don't understand the meaning of mental as relating to the mind.
So here is what you do. You have a mental rule, that you require us to use, but you don't do it yourself.
I demand evidence for the truth of
and you can't because it is not physical nor objective.
Stop using a double standard.