1-9: Virtual Pet, Part 2

debug (v): finding and fixing errors in a program.

event (n): an action that causes something to happen

sequence (n): a series of instructions that follow one another in order

parallelism (n): sets of instructions that run at the same time

initialize (v): assign an initial (beginning) value to a variable or object

x, y coordinates (n): the horizontal (x) and vertical (y) address of any point on a computer screen