Ideographic Description Characters
Ideographic Description Characters is a Unicode block containing graphic characters used for describing CJK ideographs.[3] An IDS provides the reader with a description of an ideograph that cannot be represented properly, usually because it is not encoded in Unicode; rendering systems are not intended to automatically compose the pieces into a complete ideograph, and the descriptions are not standardized.Ideographic Description Sequences are sequences of characters that represent a Chinese character structure as defined by the Unicode standard.Below are the 16 characters as defined by Unicode in this block: Two other related ideographic description characters are not encoded in this Unicode block, but of which may be used in ideographic description sequences:This is the syntax of IDS in EBNF: The following Unicode-related documents record the purpose and process of defining specific characters in the Ideographic Description Characters block: CJK Unified Ideographs CJK Unified Ideographs Extension A CJK Unified Ideographs Extension B CJK Unified Ideographs Extension C CJK Unified Ideographs Extension D CJK Unified Ideographs Extension E CJK Unified Ideographs Extension F CJK Unified Ideographs Extension G CJK Unified Ideographs Extension H CJK Unified Ideographs Extension I CJK Radicals Supplement Kangxi Radicals Ideographic Description Characters CJK Symbols and Punctuation CJK Strokes Enclosed CJK Letters and Months CJK Compatibility CJK Compatibility Ideographs CJK Compatibility Forms Enclosed Ideographic Supplement CJK Compatibility Ideographs Supplement