Code point
U+0640
Glyph appearance depends on your fonts.
U+0640
LmU+0640 ARABIC TATWEEL is a Unicode 16.0.0 character in the Modifier Letter category. It belongs to the Arabic block.
Choose the representation you need, then copy its value.
U+0640
1600
ـ
ـ
D9 80
0640
00000640
%D9%80
\u0640
\u0640
\u0640
\0640