When you execute this block in Scratch, your computer is actually doing several things: retrieving values from memory representing the direction and position of the sprite, performing an algorithm to update these values, and changing the display in the window to match the updated state of the program. All of these actions are represented by just one single block. Which of the following terms names the phenomenon which is best described by this statement?

a) Iteration
b) Sequencing
c) Compilation
d) Abstraction