U+25A8 SQUARE WITH UPPER RIGHT TO LOWER LEFT FILL

The Unicode character U+25A8, officially named SQUARE WITH UPPER RIGHT TO LOWER LEFT FILL, was introduced in Unicode version 1.1. It is part of the Geometric Shapes block, which belongs to the Basic Multilingual plane.

Categorized technically as a Other Symbol, this character typically falls under the Common script. In terms of text layout and rendering, the glyph is not a composition and has ambiguous in East Asian typography. When placed in bidirectional text, it behaves as an Other Neutral character. Its visual representation remains not mirrored regardless of the reading direction.