Auditory adds one more brick in the wall. Hearing is more approachable. Visual is a more common term than auditory. I am going to bring this up at user agent guidelines. Mobility is not a Web barrier.
Mobility has more of a walking-around sense.
But people who aren't familiar with disability, don't understand motor. If text becomes shorter, designer will have to consider this. Move education and outreach to first. Flyer is not read in a linear fashion. Item that is seen first could be a nice summary.