U+4E91 was added to Unicode in version 1.1 (1993). It belongs to the block CJK Unified Ideographs in the Basic Multilingual Plane.

This character is a Other Letter and is mainly used in the Han script. The Unihan Database defines it as say, speak; clouds. Its Pīnyīn pronunciation is y.

The glyph is not a composition. It has a Wide East Asian Width. In bidirectional context it acts as Left To Right and is not mirrored. In text U+4E91 behaves as Ideographic regarding line breaks. It has type OLetter for sentence and Other for word breaks. The Grapheme Cluster Break is Any.


System Representation
UTF-8 E4 BA 91
UTF-16 4E 91
UTF-32 00 00 4E 91
URL-Quoted %E4%BA%91
HTML-Escape 云
Wrong windows-1252 Mojibake 云
Encoding: EUC-KR (hex bytes) E9 F6
Encoding: JIS0208 (hex bytes) B1 BE
Pīnyīn y
IRG_GSource G0-5446
IRG_HSource HB1-
IRG_JSource J0-313E
IRG_KSource K0-6976
IRG_TSource T1-4469
IRG_VSource V1-4A5
BigFive A4AA
CCCII 213056
CNS1986 1-4469
CNS1992 1-4469
EACC 275F54
GB0 5238
GB1 8893
Jis0 1730
KSC0 7386
MainlandTelegraph 0061
TaiwanTelegraph 0061
Xerox 250:144


Complete Record

Property Value
Age (age) 1.1
Unicode Name (na) CJK UNIFIED IDEOGRAPH-4E91
Unicode 1 Name (na1)
Block (blk) CJK
General Category (gc) Other Letter
Script (sc) Han
Bidirectional Category (bc) Left To Right
Combining Class (ccc) Not Reordered
Decomposition Type (dt) None
Decomposition Mapping (dm) 云
Lowercase (Lower)
Simple Lowercase Mapping (slc) 云
Lowercase Mapping (lc) 云
Uppercase (Upper)
Simple Uppercase Mapping (suc) 云
Uppercase Mapping (uc) 云
Simple Titlecase Mapping (stc) 云
Titlecase Mapping (tc) 云
Case Folding (cf) 云
ASCII Hex Digit (AHex)
Alphabetic (Alpha)
Bidi Control (Bidi_C)
Bidi Mirrored (Bidi_M)
Bidi Paired Bracket (bpb) 云
Bidi Paired Bracket Type (bpt) None
Cased (Cased)
Composition Exclusion (CE)
Case Ignorable (CI)
Full Composition Exclusion (Comp_Ex)
Changes When Casefolded (CWCF)
Changes When Casemapped (CWCM)
Changes When NFKC Casefolded (CWKCF)
Changes When Lowercased (CWL)
Changes When Titlecased (CWT)
Changes When Uppercased (CWU)
Dash (Dash)
Deprecated (Dep)
Default Ignorable Code Point (DI)
Diacritic (Dia)
East Asian Width (ea) Wide
Extender (Ext)
FC NFKC Closure (FC_NFKC) 云
Grapheme Cluster Break (GCB) Any
Grapheme Base (Gr_Base)
Grapheme Extend (Gr_Ext)
Hex Digit (Hex)
Hangul Syllable Type (hst) Not Applicable
Hyphen (Hyphen)
ID Continue (IDC)
Ideographic (Ideo)
ID Start (IDS)
IDS Binary Operator (IDSB)
IDS Trinary Operator and (IDST)
Indic Positional Category (InPC) NA
Indic Syllabic Category (InSC) Other
ISO 10646 Comment (isc)
Joining Group (jg) No_Joining_Group
Join Control (Join_C)
Jamo Short Name (JSN)
Joining Type (jt) Non Joining
kIICore (kIICore) AGT
kIRG_GSource (kIRG_GSource) G0-5446
kIRG_HSource (kIRG_HSource) HB1-
kIRG_JSource (kIRG_JSource) J0-313E
kIRG_KPSource (kIRG_KPSource) KP0-FBA
kIRG_KSource (kIRG_KSource) K0-6976
kIRG_TSource (kIRG_TSource) T1-4469
kIRG_VSource (kIRG_VSource) V1-4A5
kIRGDaeJaweon (kIRGDaeJaweon) 0178.010
kIRGDaiKanwaZiten (kIRGDaiKanwaZiten) 00254
kIRGHanyuDaZidian (kIRGHanyuDaZidian) 10384.020
kIRGKangXi (kIRGKangXi) 0086.080
kBigFive (kBigFive) A4AA
kCangjie (kCangjie) MMI
kCantonese (kCantonese) wan4
kCCCII (kCCCII) 213056
kCihaiT (kCihaiT) 63.602
kCNS1986 (kCNS1986) 1-4469
kCNS1992 (kCNS1992) 1-4469
kCowles (kCowles) 5031
kDaeJaweon (kDaeJaweon) 0178.010
Unihan Definition (kDefinition) say, speak; clouds
kEACC (kEACC) 275F54
kFenn (kFenn) 875F
kFennIndex (kFennIndex) 656.02
kFourCornerCode (kFourCornerCode) 1073.1
kFrequency (kFrequency) 4
kGB0 (kGB0) 5238
kGB1 (kGB1) 8893
kGSR (kGSR) 0460a
kHangul (kHangul)
kHanYu (kHanYu) 10384.020
kHanyuPinlu (kHanyuPinlu) yún(207)
kHanyuPinyin (kHanyuPinyin) 10384.020:yún
kHKGlyph (kHKGlyph) 0050
kJapaneseKun (kJapaneseKun) IU
kJapaneseOn (kJapaneseOn) UN
kJis0 (kJis0) 1730
kKangXi (kKangXi) 0086.080
kKarlgren (kKarlgren) 291
kKorean (kKorean) WUN
kKPS0 (kKPS0) FBA1
kKSC0 (kKSC0) 7386
kMainlandTelegraph (kMainlandTelegraph) 0061
kMandarin (kMandarin) yún
kMatthews (kMatthews) 7745
kMeyerWempe (kMeyerWempe) 3756a
kMorohashi (kMorohashi) 00254
kNelson (kNelson) 0274
kPhonetic (kPhonetic) 14 332 1298 1441
Radical Stroke Count (Adobe Japan 1-6) (kRSAdobe_Japan1_6) C+1248+7.2.2
Radical Stroke Count (KangXi) (kRSKangXi) 7.2
Radical Stroke Count (Unicode) (kRSUnicode) 7.2
kSBGY (kSBGY) 110.11
kTaiwanTelegraph (kTaiwanTelegraph) 0061
kTang (kTang) *hiuən hiuən
Stroke Number (kTotalStrokes) 4
Traditional Variant (kTraditionalVariant) 雲
kVietnamese (kVietnamese) vân
kXerox (kXerox) 250:144
kXHC1983 (kXHC1983) 1431.040:yún
Line Break (lb) Ideographic
Logical Order Exception (LOE)
Math (Math)
Noncharacter Code Point (NChar)
NFC Quick Check (NFC_QC) Yes
NFD Quick Check (NFD_QC) Yes
NFKC Casefold (NFKC_CF) 云
NFKC Quick Check (NFKC_QC) Yes
NFKD Quick Check (NFKD_QC) Yes
Numeric Type (nt) None
Numeric Value (nv) NaN
Other Alphabetic (OAlpha)
Other Default Ignorable Code Point (ODI)
Other Grapheme Extend (OGr_Ext)
Other ID Continue (OIDC)
Other ID Start (OIDS)
Other Lowercase (OLower)
Other Math (OMath)
Other Uppercase (OUpper)
Pattern Syntax (Pat_Syn)
Pattern White Space (Pat_WS)
Quotation Mark (QMark)
Radical (Radical)
Sentence Break (SB) OLetter
Simple Case Folding (scf) 云
Script Extension (scx) Han
Soft Dotted (SD)
STerm (STerm)
Terminal Punctuation (Term)
Unified Ideograph (UIdeo)
Variation Selector (VS)
Word Break (WB) Other
White Space (WSpace)
XID Continue (XIDC)
XID Start (XIDS)
Expands On NFC (XO_NFC)
Expands On NFD (XO_NFD)
Expands On NFKC (XO_NFKC)
Expands On NFKD (XO_NFKD)