U+1F040 DOMINO TILE HORIZONTAL-02-01

The Unicode character U+1F040, officially named DOMINO TILE HORIZONTAL-02-01, was introduced in Unicode version 5.1. It is part of the Domino block, which belongs to the Supplementary 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 no designated width 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.