It is often associated with Italy and most famous Renaissance painters are Italian as well (da Vinci, Michelangelo, Raphael, etc).
Positive: we call the figure or foreground shape positive and the focus of the picture, it is often called the subject matter negative:this is usually an empty shape or space and is the background or surround of the subject matter it is possible to reverse this maxim to create an abstract effect..The negative space is defined by the edges of the positive space and the frame or border .
Photographs are similar from other kinds of communication because in photographs, you can visually send a message to the viewer using detail and meaning. Photographs play a role in revealing injustice by forming a strong message for viewers to understand the problems in society. They encourage people to take action because in the photo, they will be visually persuading the viewer to feel empathy and not let these things take place in our society.