Instead, you define your own tags designed specifically for your needs. this is a powerful way to store data. data stored in xml is known as being “ self- defining. xml stands for extensible markup language. an rss feed is one common example of an xml- based file. xml ( extensible markup language) is a markup language similar to html, but without predefined tags to use. they are plain text files that don' t do pdf anything in and of themselves except describe the transportation, structure, and storage of convertire data. extensible markup language ( xml) is a simple, very flexible text format derived from sgml ( iso 8879). some xml files are instead cinelerra video project files used with the cinelerra video editing. ” this means that the structure of the data is embedded within the data itself. originally designed to meet the challenges of large- scale electronic publishing, xml is also playing an increasingly important role in the exchange of a wide variety of data on the web and elsewhere. an xml file is an extensible markup language file. it’ s a language massivo that’ s used to describe data. xml is a markup language created by the world wide web consortium ( w3c) to define a syntax for encoding documents that both humans and machines could convertire xml in pdf massivo read. it does this through the use of tags that define the structure of the document, as well as how the document should be stored and transported.