| Keyword | Definition |
|---|---|
| condition | an expression that will be evaluated as either true or false |
| expression | values and or variables combined using operators or functions |
| function | named section of code which processes an input and returns an output. e.g. average(1,2,3) is a function which returns the average value (2) of the input (1, 2 and 3) |
| modify | change a program |
| operator | a symbol that performs an operation such as + (add) or - (subtract) |
| program | step by step instructions that can be executed on a computer |
| selection | when a program has to make a choice about what to execute next based on a condition |