U+0658 ARABIC MARK NOON GHUNNA

The Unicode character U+0658, officially named ARABIC MARK NOON GHUNNA, was introduced in Unicode version 4.0. It is part of the Arabic block, which belongs to the Basic Multilingual plane.

Categorized technically as a Nonspacing Mark, this character typically falls under the Arabic script. In terms of text layout and rendering, the glyph is not a composition and has no designated width in East Asian typography. When placed in bidirectional text, it behaves as an Unknown character. Its visual representation remains not mirrored regardless of the reading direction.