This character is a Other Letter and is mainly used in the Arabic script.
The glyph is not a composition. It has no designated width in East Asian texts. In bidirectional text it is written as Arabic letter from right to left. When changing direction it is not mirrored. The word that U+062F forms with similar adjacent characters prevents a line break inside it. The glyph can be confused with 15 other glyphs.
The Wikipedia has the following information about this codepoint:
Dalet (dāleth, also spelled Daleth or Daled) is the fourth letter of the Semitic abjads, including Arabic dālد, Aramaic dālaṯ 𐡃, Hebrew dāletד, Phoenician dālt 𐤃 and Syriac dālaṯ ܕ (in abjadi order; 8th in modern order). Its sound value is the voiced alveolar plosive ([d]).
The letter is based on a glyph of the Proto-Sinaitic script, probably called dalt "door" (door in Modern Hebrew is delet), ultimately based on a hieroglyph depicting a door:
Representations
System
Representation (click value to copy)
Nº
1583
UTF-8
D8 AF
UTF-16
06 2F
UTF-32
00 00 06 2F
URL-Quoted
%D8%AF
HTML hex reference
د
Wrong windows-1252 Mojibake
د
Encoding: CP720 (hex bytes)
A7
Encoding: CP1256 (hex bytes)
CF
Encoding: GB18030 (hex bytes)
81 31 84 37
Encoding: ISO8859_6 (hex bytes)
CF
Encoding: CP420 (hex bytes)
73
Adobe Glyph List
afii57423
Adobe Glyph List
dalarabic
digraph
d+
RFC 5137
\u'062F'
Bash and Zsh inside echo -e
\u062F
C and C++
\u062F
C#
\u062F
CSS
\00062F
Excel
=UNICHAR(1583)
Go
\u062F
JavaScript
\u062F
Modern JavaScript since ES6
\u{62f}
JSON
\u062F
Java
\u062F
Lua
\u{62F}
Matlab
char(1583)
Perl
"\x{62F}"
PHP
\u{62f}
PostgreSQL
U&'\062F'
PowerShell
`u{62F}
Python
\u062F
Ruby
\u{62f}
Rust
\u{62f}
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