A markup language is a system for annotating a document in a way that is syntactically distinguishable from the text. The annotations specify how the text should be structured and formatted, which can affect its presentation or data representation. Markup languages are widely used in web development, document processing, and data interchange. Here are some key characteristics and examples of markup languages: ### Key Characteristics: 1. **Tags**: Markup languages commonly use tags to denote the beginning and end of elements.
