At the heart of these languages is a system called tagging, where text or data is marked by indicators enclosed in angled brackets, always at the beginning (tag) and often at the end (/tag).

• 这些语言的核心是一个叫 “标记”的系统，其中文本或数据被用尖括号括起来的指示符做标记。总是以“(标记)”开始，常常以“”结束。