U+2FF4 "⿴" Ideographic Description Character Full Surround Unicode Character
Unicode Version 17.0
⿴
U+2FF4 "⿴" Ideographic Description Character Full Surround is a special symbol used in the Ideographic Description Sequences (IDS) system to represent how certain Chinese characters (hanzi) and other CJK ideographs are structurally composed. Specifically, this character indicates a full surround structure, where an outer component completely encloses an inner component, such as in the character 国 (country), where the outer框 encloses the 玉 inside. It is not a regular writing character but a descriptive tool to allow digital systems and fonts to define and reproduce complex ideographs that may not have a precomposed Unicode code point.
General Properties
| Code Point | U+2FF4 |
| Version Added | 3.0 |
| Name | Ideographic Description Character Full Surround |
| Block | Ideographic Description Characters |
| General Category | Other Symbol |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Other Neutral |
Encodings
| HTML Decimal Encoding | ⿴ |
| HTML Hex Encoding | ⿴ |
| UTF-8 Encoding | 0xE2 0xBF 0xB4 |
| UTF-16 Encoding | 0x2FF4 |
| UTF-32 Encoding | 0x00002FF4 |
| C/C++/Java Escape | \u2ff4 |
Unicode Properties
| NFC Quick Check | Yes |
| NFD Quick Check | Yes |
| NFKC Quick Check | Yes |
| NFKD Quick Check | Yes |
| Numeric Type | None |
| Numeric Value | NaN |
| Line Break | Ideographic |
| East Asian Width | Wide |
| Script | Common |
| Script Extensions | Han Tangut |
| Indic Syllabic Category | Other |
| Vertical Orientation | Upright |
| Grapheme Base | Yes |
| Grapheme Cluster Break | Other |
| Word Break | Other |
| Sentence Break | Other |
| IDS Binary Operator | Yes |