- From: Wendy A Chisholm <wendy@w3.org>
- Date: Wed, 25 Feb 2004 14:32:42 -0500
- To: "John M Slatin" <john_slatin@austin.utexas.edu>, "Gregg Vanderheiden" <gv@trace.wisc.edu>, <w3c-wai-gl@w3.org>
At 11:57 AM 2/25/2004, John M Slatin wrote: >Source database, yes-- but don't the data then flow into a template (or >something) which the user agent then uses to render what the user >reads/interacts with? > Here are concepts for consideration as defined by the device independence working group: 1. user agent - a client within a device that performs rendering 2. rendering - the act of converting perceivable units into physical effects that can be perceivable by a user and with which the user may be able to interact [1] 3. delivery context - a set of attributes that characterizes the capabilities of the access mechanism and the preferences of the user 4. delivery unit - a set of material transferred between two cooperating web programs as the response to a single HTTP request 5. adaptation - a process of selection, generation or modification that produces one or more perceivable units in response to a requested uniform resource identifier in a given delivery context [2] 6. user experience - a set of material rendered by a user agent which may be perceived by a user and with which interaction may be possible 7. access mechanism - a combination of hardware (including one or more devices and network connections) and software (including one or more user agents) that allows a user to perceive and interact with the Web using one or more modalities (sight, sound, keyboard, voice etc.) 8. perceivable unit - a set of material which, when rendered by a user agent, may be perceived by a user and with which interaction may be possible 9. web page - a collection of information, consisting of one or more resources intended to be rendered simultaneously, and identified by a single Uniform Resource Identifier [3] [1] <http://www.w3.org/TR/2003/NOTE-di-princ-20030901/#section-Delivery> [2] <http://www.w3.org/TR/2003/NOTE-di-princ-20030901/#section-Authoring> [3] <http://www.w3.org/TR/2003/NOTE-di-princ-20030901/#section-User>-- wendy a chisholm world wide web consortium web accessibility initiative http://www.w3.org/WAI/ /--
Received on Wednesday, 25 February 2004 14:32:52 UTC