: It consists of readable text and tags (enclosed in < > ) that define data elements.
: A single root element must contain all other elements, which must be properly nested with matching start and end tags.
: Because it is stored as text, it can be shared and read across different software systems and hardware platforms without compatibility issues.
An is a plain-text file that stores and transports data using a structured, tag-based system. Unlike HTML, which focuses on how data looks, XML focuses on what the data is , making it self-descriptive and highly flexible. Core Characteristics
What is XML? - Extensible Markup Language (XML) Explained - AWS