U+0055 "U" Latin Capital Letter U Unicode Character

U+0055 "U" Latin Capital Letter U is the standard uppercase form of the twenty-first letter in the modern English alphabet and many other Latin-based writing systems. It is typically used to represent a close back rounded vowel sound in languages such as English, French, and Spanish, though its phonetic value can vary. As a fundamental element of written communication, this character appears in countless words and serves a variety of roles from grammatical markers to mathematical notation, where it can denote a union of sets. In computing, it is encoded as a single byte (0x55) in ASCII and UTF-8, making it one of the most basic and widely recognizable symbols in digital text.