Commands are tokens that appear along with other language tokens to form statements which tell what computer exactly what to do. All statements follow particular structural rules that must be adhered to; otherwise, the program will crash since the computer will be unable to understand the intended instructions.
Used to create, modify, or delete data stored in variables.
Used to send information to the screen.
Used to control the state of the program itself.
Note: Complex statements using Conditionals, Loops, or Functions follow different structural rules.