Client A device or application that initiates a request for connection to a server.
Content Data stored or generated at an origin server. Content is typically displayed or interpreted by a user agent in response to a user request.
Content encoding When used as a verb, content encoding indicates the act of converting a data object from one format to another. Typically the resulting format requires less physical space than the original, is easier to process or store, or is encrypted. When used as a noun, content encoding specifies a particular format or encoding standard or process.
Content format Actual representation of content.
Device A network entity that is capable of sending and receiving packets of information and that has a unique device address. A device can act as both a client and a server within a given context or across multiple contexts. For example, a device can service a number of clients (as a server) while being a client to another server.
JavaScript A de facto standard language that can be used to add dynamic behavior to HTML documents. JavaScript is one of the originating technologies of ECMAScript.
Origin Server The server on which a given resource resides or is to be created. Often referred to as a Web server or an HTTP server.
Resource A network data object or service that can be identified by a URL. Resources may be available in multiple representations (for example, multiple languages, data formats, size, and resolutions) or vary in other ways.
Server A device (or application) that passively waits for connection requests from one or more clients. A server may accept or reject a connection request from a client.
User A person who interacts with a user agent to view, hear, or otherwise use rendered content.
User agent Any software or device that interprets WML, WMLScript, or resources. This may include textual browsers, voice browsers, search engines, and so on.
Web server A network host that acts as an HTTP server.
WML Wireless Markup Language. A hypertext markup language used to represent information for delivery to a narrowband device (for example, a phone).
WMLScript A scripting language used to program the mobile device. WMLScript is an extended subset of the JavaScriptTM scripting language.