25. A computer readable storage medium having instructions, which when executed on a computer generate client side markup for a client in a client/server system, the instructions comprising: a first set of visual controls defined on an authoring page for a website having attributes related to a first modality of interaction with a user of the client that being visual renderings on the client device, and the attributes including at least one of location for visual rendering, font, background color, and foreground color, and the first set of controls being related to client side markup executable by a client browser; a second set of controls defined on the authoring page for defining desired operation on the client device having attributes related to a second modality of interaction with the user of the client that being at least one of recognition and audible prompting, the second set of controls being selectively associated with the first set of controls, and the second set of controls being related to client side markup executable by a client browser, the second set of controls comprising: a question control for generating markup related to audible prompting of a question; and an answer control for generating markup related to a grammar for recognition, the question and answer controls being associated with a semantic map comprising one or more semantic items that form a layer between individually associated visual domain primary controls and a non-visual recognition domain of the question and answer controls, the associated visual domain primary controls comprising markup; and a module operable on a computer, the module being configured to receive the authoring page, wherein the module is further configured to process the controls of the first set in the authoring page to generate client side markup by incorporating the attributes in the controls that is executable by the client browser on the client in the server/client system in accordance with the controls of the first set and the attributes of the controls of the first set to perform both visual rendering, and wherein the module is further configured to process the controls of the second set to generate client side markup by incorporating the attributes in the controls that is executable by the client browser on the client in the server/client system in accordance with the controls of the second set and the attributes of the controls of the second set in the authoring page.
31. The computer readable storage medium of claim 25 wherein one of the second set of attributes for one of the controls provides instructions related to generating audible output.