Art is aesthetic decision making, plain and simple. Intended or not (folk are or not), any choice that is made with aesthetics as the primary consideration can be called art. Classification is a different question - is it high art or low art, good art or bad art.
Art is the abstraction of a idea so that beauty can be recognized by the viewer in a concrete object. The artist sees beauty and represents it in a way that others can see it, too. A contemporary work can seem anything but beautiful at first glance but study of the work with the open and fertile mind of the viewer reveals the artist's view and the beauty of the object. Even the most realistic painting is more than what it seems. It represents rather than depicts the view of the artist. If beauty cannot be seen by anyone, then it may not be art, I think.
But I see it.
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