XML Full Form is Extensible Markup Language. XML is a software tool for transporting and storing information. In simple terms, it is a markup language to describe data. The XML is a standard and flexible method used to create formats of information and share the data structure through corporate networks and public Internet. It is popular because of its simplicity and easy usability. XML format has become the base for several official productivity tools such as Open Office, Libre Office, Microsoft Office, and even Apple’s iWork.
It is the base language in several communication protocols like XMPP. It’s the most commonly used tool for interchanging data on the Internet. To define the details, XML documents are nothing but a string of characters. XML basically characterizes a set of rules for the purposes of encoding documents available in formats, which are both machine-readable and human-readable. The W3C’s XML 1.0 Specification is the one that defines it. It is also defined by various other related specifications, all of them being free open standards.
The XML’s design goals lay emphasis on generality, usability, and simplicity across the Internet domain. XML is essentially a textual data format, equipped with powerful support by means of Unicode for various languages. The primary focus of the XMLs’ design is on documents but its use is extended for the representation of various arbitrary data structures, for example, those utilized in web services. There are many schema systems exist for the purposes of aiding in the definition of those languages based on XML.
Also, there are several application programming interfaces (abbreviated as APIs) that have been created for supporting the XML data’s processing. A brief introduction to a few of XML terminology will help in better understanding. The Processor, for instance, is responsible for the analysis of the markup and passage of systematically structured information to, what is called, an application. Markup, for that matter, is one of the groups in which the characters constituting an XML document are divided. The other group is called content. The terminologies are more in number, with each dedicated for a specific purpose in the design of XML language such as Attribute, Tag, Element, Application, XML declaration, etc.