| Keyword | Definition |
|---|---|
| indentation | adding tabs or spaces to the start of a line to affect when it should be run |
| nested | when an instruction is indented so that it runs within another section of code (e.g. if statement within another if statement) |
| programming construct | programming building block e.g sequence, selection or iteration |
| selection | programming construct used whenever a program has to make a decision (e.g. if statement) |