view: A generic term that applies to what you see in your browser, for example, calendar view, log chart view, and so forth. Web Supervisor Refers to a Niagara station running on a PC, which is typically configured as the Supervisor station for any networked JACE controllers. Typically, this PC is also running the full suite of Niagara applications, including WorkPlace Pro and the Alarm Console. A Web Supervisor station runs the database service, which archives log data in an SQL application database (appdb). A Web Supervisor also uses the WebUI Service (next term). WebUI Service Web User Interface Service. A standard feature of a Web Supervisor, and an optional feature fora JACE controller. The WebUI Service enables a station to directly serve up graphics (GxPages) and graphical views of schedules, holidays calendars, plus provide status tables and charted log data to web browser users. Most stations that you connect to using your browser will have the WebUI Service. XML: eXtensible Markup Language. A specification developed by the WC (World Wide Web Consortium. XML is a subset of SGML, designed especially for web documents. Use of custom tags provides “extensibility”, not available using HTML. The Niagara Framework uses XML as one method of station database storage, also as an output option for text data (for example logs, archives, and status queries).