| Keyword | Definition |
|---|---|
| call | the instruction to actually make a subroutine execute |
| definition | the code which tells the program what to do when a subroutine is executed |
| parameters | the data going into a subroutine that can be used to customise what it does or how it works |
| subroutine | a custom block of code which can be re-used and given a name to simplify larger programs |
