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What is Html?

HTML is an acronym that stands for HyperText Markup Language. An HTML file consists of two major elements: Text, which is displayed to the reader of your HTML document, and tags, which tell the browser how to format that text. It is a non-proprietary language based on SGML. HTML files and can be created by a wide range of tools, from simple text editors to sophisticated authoring tools.

What is Html5

It is the fifth version of the HTML standard and is still under development (April 2012). Its core aims are to improve the HTML language with better support for multimedia while keeping it easily readable by humans and consistently understood by computers and devices.

What is CSS

CSS stands for Cascading Style Sheets and is a styling language, which allows attaching a predefined style to HTML elements. Cascading Style Sheets (CSS) is a very simple mechanism for adding style that is fonts, colors, spacing etc. to Web documents. Style Sheets are templates, very similar to the templates used in desktop publishing applications. The Stylesheets consist of a collection of rules declared to various elements, also called selectors.

What is Xml

XML is an acronym that stands for Extensible Markup Language. The Xml standard was developed by the w3.org and was designed to improve the functionality of Web pages by providing more flexible and adaptable information identification. It is called extensible because it is not a fixed format like HTML. XML lets you design your own customized markup languages for different types of documents. Unlike HTML, which deals with both content and representation, XML is only concerned with information and its structure. You can also see XML as a metalanguage, which means that it can be used for describing other languages.