Definition: to give one's attention to a visue; to give attention with the eye; attend closely for the purpose of h-eyeing.
[Video contributed by Tad Keller, 2018.]
Definition: to give one's attention to a sound; to give attention with the ear; attend closely for the purpose of hearing.
Note that there are two ASL signs for one English word 'listen' (the difference by location of the signs). One relates to listening via eye and another via ear.
Review 101 words. Refresher.