Art history is that forms and techniques that have been learned and even modified to this day. Art Appreciation is when you can see and feel what is being illustrated through a type of art form.<span />
What had inspired him to paint his ground breaking painting was from when he had saw the African and Iberian art
The closest thing that I can say among all of these answers would be improvisation. The definition of improvising is adapting to the situation in a better manner appropriately. So let's say when a musician is already on stage and makes a mistake while playing the guitar, he has to improvise a bit so that his mistake will not look like one. He is spontaneously creating something while he is on the spot. In a sense, he is improvising his original work and making something somewhat different.