9. The method of claim 1 , wherein the providing the feedback data comprises: defining a slotted data string corresponding to a grammatical form in which data are to be presented; embedding data retrieved from the enterprise data system in slots defined in the slotted data string to form an embedded data text string; passing the embedded data text string to a text-to-speech conversion component; receiving digital waveform data from the text-to-speech conversion component corresponding to the embedded data text string; streaming the digital waveform data to a device that produces an audible sound in response to processing the digital waveform data to produce a verbalized feedback.
9. The method of claim 1 , wherein the providing the feedback data comprises: defining a slotted data string corresponding to a grammatical form in which data are to be presented; embedding data retrieved from the enterprise data system in slots defined in the slotted data string to form an embedded data text string; passing the embedded data text string to a text-to-speech conversion component; receiving digital waveform data from the text-to-speech conversion component corresponding to the embedded data text string; streaming the digital waveform data to a device that produces an audible sound in response to processing the digital waveform data to produce a verbalized feedback. 10. The method of claim 9 , wherein a plurality of slotted data strings are defined, each corresponding to a respective system response, further comprising: selecting an appropriate slotted data string from among the plurality of slotted data strings based, at least in part, on the navigation context.