Transformation of machine-oriented information into a form perceivable and usable to a human user. Document markup such as HTML or CSS may be incomprehensible to the human user, but a browser or media player may transform it into a meaningful form. For example the HTML element em indicates that emphasis is intended. The user agent may emphasize the content responding to CSS directions by changing font or tone of voice.

To take the HTML or XHTML code for a web site and make it appear on the screen as intended.

To transform computer-readable information into a form usable by humans. For example, a Web browser transforms HTML markup into a graphically-displayed Web page.

To transform digital information in the form received from a repository into a display on a computer screen, or for other presentation to the user.

To format and stylize HTML source code into the final format for the visitor's screen. For example, text within tags will be made bold. See also: Heading Tag, HTML Source