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Unicode contains 1,114,112 code points currently, characters are assigned to more than 96,000 of them. The following are examples of code points for four different characters: a lowercase l, a lowercase u with an umlaut, beta, and a lowercase e with an acute accent. Code points are represented as U+ followed by four numbers and/or letters. Code points are the numbers assigned by the Unicode Consortium to every character in every writing system. In Unicode, a character maps to a code point. For example, "ll" in the Spanish language is one glyph but two characters: "l" and "l." In some writing systems, one character may correspond to several glyphs or several characters to one glyph. Unicode defines how characters are interpreted, not how they are rendered.Ī glyph, which is the rendering or visual representation of a character, is the mark made on the computer screen or printed page. Code pointsĬharacters are units of information that roughly correspond to a unit of text in the written form of a natural language. For a more complete explanation and for a list of specific languages that can be encoded with Unicode, see the Unicode Consortium Web site. This topic provides an overview of Unicode. In addition to being a character map, Unicode includes algorithms for collation and encoding bidirectional scripts such as Arabic, as well as specifications for the normalization of text forms. It also includes technical symbols, punctuation, and many other characters used in writing text. It provides a unique number (a code point) for every character of the major writing systems of the world. Unicode is a character encoding system used by computers for the storage and interchange of textual data.