This character is a Otro símbolo and is mainly used in the Braille script.
The glyph is not a composition. It has no designated width in East Asian texts. In bidirectional text it is written from left to right. When changing direction it is not mirrored. The word that U+2841 forms with similar adjacent characters prevents a line break inside it.
El Wikipedia tiene la siguiente información acerca de este punto de código:
The Braille pattern dots-1 ( ⠁ ) is a 6-dot or 8-dot braille cell with the top left dot raised. It is represented by the Unicode code point U+2801, and in Braille ASCII with "A".
Representaciones
Sistema
Representación (click value to copy)
N.º
10305
UTF-8
E2 A1 81
UTF-16
28 41
UTF-32
00 00 28 41
URL-Quoted
%E2%A1%81
HTML hex reference
⡁
Mojibake mal de windows-1252
â¡
Codificación: GB18030 (hexadecimales bytes)
81 37 DB 39
RFC 5137
\u'2841'
Bash and Zsh inside echo -e
\u2841
C and C++
\u2841
C#
\u2841
CSS
\002841
Excel
=UNICHAR(10305)
Go
\u2841
JavaScript
\u2841
Modern JavaScript since ES6
\u{2841}
JSON
\u2841
Java
\u2841
Lua
\u{2841}
Matlab
char(10305)
Perl
"\x{2841}"
PHP
\u{2841}
PostgreSQL
U&'\2841'
PowerShell
`u{2841}
Python
\u2841
Ruby
\u{2841}
Rust
\u{2841}
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