U+5355 "单" CJK Unified Ideograph-# Unicode Character

U+5355 "单" CJK Unified Ideograph-# is a Chinese character with the primary meaning of "single," "simple," or "alone," and it is also commonly used as a surname in Chinese culture. In its simplified form, it appears as 单, while the traditional variant is 單; both forms are widely employed in modern Chinese writing and computing. The character is found in various compounds and words, such as 单位 (dānwèi) meaning "unit" and 简单 (jiǎndān) meaning "simple," reflecting its core semantic role in expressing concepts of singularity or straightforwardness. Its usage extends across multiple sinospere languages, including Japanese and Korean, where it carries similar meanings and is encoded under the same Unicode codepoint for digital text representation.