U+258F LEFT ONE EIGHTH BLOCK

The Unicode character U+258F, officially named LEFT ONE EIGHTH BLOCK, was introduced in Unicode version 1.1. It is part of the Block Elements 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.