18. A system comprising: one or more processors; one or more computer-readable media storing computer-executable instructions that, when executed by the one or more processors, cause the one or more processors to perform acts comprising: receiving a request that specifies a user utterance with regard to content having user-selectable elements; analyzing the content to identify an audio command corresponding to one or more user-selectable elements of the user-selectable elements, the audio command being identified based at least in part on an acoustic differentiation between the audio command and a different audio command meeting or exceeding a threshold; selecting the audio command based at least in part on the user utterance; and responding to the request in accordance with a user-selectable element of the one or more user-selectable elements corresponding to the audio command, the responding including causing information associated with the audio command to be visually output via a projector associated with a device.
18. A system comprising: one or more processors; one or more computer-readable media storing computer-executable instructions that, when executed by the one or more processors, cause the one or more processors to perform acts comprising: receiving a request that specifies a user utterance with regard to content having user-selectable elements; analyzing the content to identify an audio command corresponding to one or more user-selectable elements of the user-selectable elements, the audio command being identified based at least in part on an acoustic differentiation between the audio command and a different audio command meeting or exceeding a threshold; selecting the audio command based at least in part on the user utterance; and responding to the request in accordance with a user-selectable element of the one or more user-selectable elements corresponding to the audio command, the responding including causing information associated with the audio command to be visually output via a projector associated with a device. 24. The system of claim 18 , wherein at least one user-selectable element of the user-selectable elements is associated with an image, and wherein analyzing the content to identify the audio command comprises performing image recognition to identify one or more words that correspond to the image.