U+F9FC "識" CJK Compatibility Ideograph-# Unicode Character

U+F9FC "識" CJK Compatibility Ideograph-# is a special character in the Unicode standard, representing a CJK (Chinese, Japanese, Korean) ideograph that appears in the Compatibility Ideographs block rather than the main CJK Unified Ideographs block. It corresponds to the character 識, which means "to know," "to recognize," or "knowledge" in various East Asian languages. The purpose of compatibility ideographs like U+F9FC is to encode characters that originated from legacy character sets or industry standards, such as those used in older Japanese or Korean encoding systems, to ensure round-trip conversion and data integrity. However, users are generally discouraged from using this code point in new text, as it is a duplicate of the unified character U+8B58 and is intended solely for compatibility with older documents or systems.