XML (eXtensible Markup Language) is designed to transport and store data. It has user executive tags i.e. no pre-defined tags used as in HTML. This language is considered as universal language for data on web. XML is about describing information. XML is extensible. The XML tags are not pre-defined in XML. You will have to create tags according to your needs.XML is self descriptive. XML uses DDT principle (Defining the Document Type) to formally describe the data. XML is the acronym from Extensible Markup Language (meta-language of noting/marking). XML is a resembling language with HTML. It was developed for describing data. XML can be used to store data in files or databases. You can write applications to store and recover information from the hard disks, and you can write generic application to display certain types of data. Get more info you can visit here:- tutorialandexample Xml are Simple to learn and implement. Set of rules is limited. Editing is very easy as in text format. Extensible as no pre-defined tags. XML stands for eXtensible Markup Language. It is a markup language much like HTML. It was designed to store and transport data. Xml was designed to be self-descriptive. XML tutorial is designed for beginners and professionals.