| A | B |
| Method | tells the hero what to do |
| Argument | the number inside the method |
| String | a piece of text information |
| True Name | method used to identify a specific player/thing |
| Commentary | a way to explain what to do |
| hero.moveLeft(); | a method |
| hero.moveLeft(5); | the number in the parenthesis is an argument |
| "Say help!" | a string |
| ("Tron") | a true name |
| //this doesn't change the program | Commentary |