What is represented
"The dog was the subject of the painting"
Visual Form (Style)
What it looks like
"The dog was depicted in a profile view showing all four of its legs"
The works purpose, and how it is experienced by the viewer
"The artist painted the dog to teach his grandchildren what a dog looked like"
Expression of subject and style to inform about the historical period
"The dog was drawn with an emphasis on depicting anatomy; indicating a neolithic origin"
The combination of subject, style, function, and historical context to define the meaning of a work, the reason it was created
"The painting of the dog served as a narrative to tell a story of neolithic life"