| A | B |
|---|
| variable | holds data that can change while the program is running |
| constant | used to store data that remains the same throughout the program's execution |
| data type | type of variable that best fits the nature of the data itself |
| string | a group of characters put together to make a word or more |
| Boolean variable | represents true or false |
| declaring | indicating what type of variable you want and what you want to call it |
| initialize | assign it a value |
| exponential notation | very large or very small numbers are represented with a fractional part |
| identifiers | names of variables in C++ |
| keywords | part of the C++ language |
