Some languages are traditional programming languages for developing applications; others, such as markup and scripting languages like html, xhtml, and are designed to be used to create web pages.

XML (Extensible Markup Language):

Explanation:

XML (Xtensible Markup Language):

It is a markup language that is used for creating web-pages, it defines a set of rules that makes it readable both to humans and machine.

XML was primarily designed to be a software and hardware independent tool and it's focus was on data.  XML provides a framework for defining markup languages.

XML, HTML and XHTML are all related to each other because they are all markup languages and can be used to build websites.

Basically,

-HTML is primarily for web-pages.

-XML is primarily for data.

-XHTML is a standard based on HTML that follows the strict rules of XML.

create an interactive presentation of ms powerpoint or any other presentation software in which define the product's characteristics, benefits, why people consider it, etc.

solution:

bookmark is a word, symbol, image, or other object that links you to another element in another location.

bookmark is a saved shortcut that directs your browser to a specific webpage. it stores the title, url, and favicon of the corresponding page. saving bookmarks allows you to easily access your favorite locations on the web.

it works in all modern web browsers include bookmark features. bookmarks are called favorites or internet shortcuts in internet explorer, and by virtue of that browser's large market share, these terms have been synonymous with bookmark since the first browser war.