U+2009 THIN SPACE

The Unicode character U+2009, officially named THIN SPACE, was introduced in Unicode version 1.1. It is part of the Punctuation block, which belongs to the Basic Multilingual plane.

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