If I could change the dictionary term, it would be this:
"Any material, existing in the form of one or more senses, containing an artist(s)'s expressive thought(s) created, judged, and given relative meaning by those who percieve it."
What do you think?
*my answer for the poll was that it's infinite, as art is expression of self, and we are ourselves by how we percieve creation, including ourselves, such as when a song changes your life by provoking thought*
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Art is self expression, therefore everyone is an artist. There is no best artist, and there no worst artist, there is only personal preferance.