You can use voiceover as a way to add a lot of context and “color” to a UI. I make a big effort to support voiceover in my apps. In fact, most of the text that I translate is never seen by the user[0].

On the Mac, I also like to use tooltips, applying the same string as voiceover.

[0] https://github.com/RiftValleySoftware/ambiamara/blob/bbb1d98... (Note, also, that these voiceover strings have been localized in French, German, and Spanish).