access Mode
The human sensory perceptual system or cognitive faculty through which a person may process or perceive information.
Expected values include: auditory, tactile, textual, visual, colorDependent, chartOnVisual, chemOnVisual, diagramOnVisual, mathOnVisual, musicOnVisual, textOnVisual.
See: https://www.w3.org/2021/a11y-discov-vocab/latest/#accessMode