| Value | Meaning |
|---|---|
| NONE0 | The character is not representable with the font. |
| FALLBACK1 | The character is represented in a way that may be comprehensible but is not the correct graphical form. For instance, a Hangul character represented as a a sequence of Jamos, or a Latin transliteration of a Cyrillic word. |
| APPROXIMATE2 | The character is represented as basically the correct graphical form, but with a stylistic variant inappropriate for the current script. |
| EXACT3 | The character is represented as the correct graphical form. |
Used to indicate how well a font can represent a particular Unicode character point for a particular script.