U+2400 SYMBOL FOR NULL

The Unicode character U+2400, officially named SYMBOL FOR NULL, was introduced in Unicode version 1.1. It is part of the Control Pictures block, which belongs to the Basic Multilingual plane. Previously, it was also referred to as GRAPHIC FOR NULL.

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.