When we talk about the Northern Renaissance, what we actually mean is "Renaissance happenings that occurred within Europe, but outside of Italy." Because the most innovative art was created in France, the Netherlands, and Germany during this time, and because all of these places are north of Italy, the "Northern" tag has stuck.
Geography aside, there were some significant differences between the Italian Renaissance and the Northern Renaissance.
I mean I’m average but your question has been answered
We study art for many things; culture, history, determining value, studying religions.
