The basic elements of an HTML page are: A text header, denoted using the <h1>, </h1><h2>, </h2><h3>, </h3><h4>, </h4><h5>, </h5><h6> tags. A paragraph, denoted using the <p> tag. A horizontal ruler, denoted using the tag. A link, denoted using the (anchor) tag. A list, denoted using the </p><ul> (unordered list), <ol> (ordered list) and <li> (list element) tags. An image, denoted using the tag A divider, denoted using the <div> tag A text span, denoted using the tag Extensible Markup Language (XML) is used to describe data. The XML standard is a flexible way to create information formats and electronically share structured data via the public Internet, as well as via corporate networks. The main difference between server-side scripting and client-side scripting is that the server side scripting involves serverfor its processing. ... The client-side scriptexecutes the code to the client side which is visible to the users while a server-side script is executed in the server end which users cannot see. CSS is the language for describing the presentation of Web pages, including colors, layout, and fonts. It allows one to adapt the presentation to different types of devices, such as large screens, small screens, or printers. CSS is independent of HTML and can be used with any XML-based markup language. Classes and objects from the essential part of Object-oriented programming, where a class can be considered as a construct which encapsulates a group of variables and methods; whereas, an objectacts as member or instance of that class. A class is a blueprint from which you can create the instance.</div></li></ol></ul></h6>