NON VERBAL CUES ---> is the process of sending and receiving messages without using words, either spoken or written.
These can include body language, tone of voice, and gestures.
Here are some examples of non-verbal cues:
a. shake (iling in tagalog)
c. frequency of glances
d, patterns of fixation
e. pupil dilation
f. blink rate
g. and a whole lot more....