Definition: Zh-CN UTF-8 is a standard for encoding Unicode, a global language data format used for storing and transmitting text. It uses ISO 10646 for characters like Latin, Greek, Cyrillic, etc., which are not commonly used in Chinese, while maintaining compatibility with existing formats such as GB2312, UTF-8, and ASCII. The word 'zh-CN' is from the Chinese language, 'UTF-8' refers to the encoding format, and it's a standard for encoding Unicode, so it's related to computer science, especially with Unicode character sets.