| Digit |
| Figure |
| 4 or IX |
| X, e.g. |
| MI, e.g. |
| 1 is one |
| Roman ___ |
| 1, for one |
| One is one |
| I, for one |
| X, at times |
| Math figure |
| C or D, e.g. |
| Roman X, e.g. |
| It can be Roman |
| Roman or Arabic |
| C or D, to Caesar |
| V or X, Roman ... |
| V or X, to a Roman |
| Arabic or Roman item |
| Roman or Arabic item |
| C or D, to old Romans |
| It may be Roman or Arabic |
| Necessity in many passwords |
| Inclusion in safer passwords |
| It can be added or subtracted |
| Figure representing an integer |
| What's required in some passwords |
| Roman ___ (something like MCX or IV) |
| Figure or symbol like '1', for example |
| Symbol representing one or two, perhaps? |
| Roman ___ (the "XLI" in "Super Bowl XLI," for example) |