ix GxPage: Graphics page, referring to the Niagara container object with images and/or text that update (in real time) as a web page. Atypical Niagara system has many GxPages, with hyperlinks between each other (as well as their sub-elements, such as schedules, holiday calendars, log data charts, and so forth). HTML: HyperText Markup Language - the authoring language used to create documents on the World Wide Web. HTML defines a set of codes that web browsers use to format web pages. HTTP: HyperText Transfer Protocol - the protocol used by the World Wide Web. HTTP defines how web servers and browsers transmit and format messages, including actions commands. HTTP is called a stateless protocol because each command is executed independently, without knowledge of the commands that came before it. The other main standard that controls how the World Wide Web works is HTML, which determines how web pages are formatted and displayed. hyperlink: An element contained on a web page that links the user to a different web page on the same site or an entirely different site. Hyperlinks are also used as user controls in electronic documents that take the user to another place on the current page or to a completely different document.