What is the goal of XML?

Extensible Markup Language (XML)

Extensible Markup Language (XML) is an W3C(Word Wide Web Consortium) Recommendation
(XML) is a text base Mark-up Language that enables to strore data in a Structured format by using
meaningful tags
XML represents data Hierarchically (in a Tree)
XML is self-descriptive:tags not predefined
you must define your own tag

Support of variety Applications
Mobiles:
XML data is send to few mobiles which is later formattted according to the
specification of the mobile phone software Designs so as to display the texts,images and
sounds

Converters:
There are various applications that convert existing Doc into XML format.
EXP.PDF to XML.

Voice xml
it convert XML Doc to into an audio format so that we can listen to an XML Doc.

#XML enables smart Searches
#XML allows granular updates
#XML provides user selected view DAta
#XML follows Strict Rules