Answer:
I personally think art can be what it is yeah sometimes you get inspired to do art and there's a story behind it but sometimes you just sit down and do it .When you might not see if something is about something someone else may see the meaning. Although visual are important it is really about how the artist and the interpreter feel about it .I believe this because beauty is in the eye of the beholder and saying this means everyone will see it differently
Franz did not like to go to school instead he liked to stay outdoors as he loved watching the parades of Prussian soldiers and the warm sun. Thus from the fear of scolding he wanted to avoid school.
The identified part represents an open string!:)