any of the specific sensory entities, such as vision, smell, or taste
The type of communication channel used for interaction . This might be, for example, visual, gestural or based on speech. It also covers the way an idea is expressed or perceived, or the manner in which an action is performed. This definition is based on unpublished work of the Multimodal Interaction group.
The sensory channel used to acquire information. Visual, auditory, tactile, kinesthetic, olfactory (odors), and gustatory (taste) are the most common modalities.