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.
The answer is A. St. Bernard and Scotch Shepard mix
A unit of measurement that is standard, and has been used by artists (including myself) to accurately create the proportions of the human figure
How is this arts..?eh maybe im not in the right grade