I would say this is an example of alliteration.
Answer:
Leaving the farm to work on vaudeville and then later in movies, Rogers became a popular cowboy figure. Rogers, however, became most famous for his writing. As a syndicated columnist for The New York Times, Rogers used folk wisdom and earthy banter to comment on the world around him.
Explanation:
The art style of The Simpsons is 2D, but its characters are animated.
I'm gonna say flat and dynamic.
Perhaps he meant that they both understood what the other character or thing was saying, without saying a word
