When listening to someone, verbal clues will you understand what kinds of meaning?

Verbal cues use spoken words or language in order to convey the speaker's message. When listening to someone, these verbal cues would help you understand EXPLICIT meanings. Explicit refers to the meaning of the words that are clearly understood and straightforward. 

Is it even part of math

Generally spontaneous human combustion is something that still bewilders some, human combustion happens very rarely and doesn't affect the surrounding areas, so unless you want to set your self on fire, human combustion will remain spontaneous and very rare.