Compare and contrast verbal and nonverbal codes; how are they similar and different?

What will be an ideal response?

By comparing and contrasting the human verbal and nonverbal code, many linguists have concluded that verbal language evolved from its nonlinguistic predecessor. A key distinction between the two is that the verbal language system is based primarily on symbols, whereas the nonverbal system is signal based. Another difference between the verbal and nonverbal code is that the nonverbal signal system is much more restrictive in sending capacity than the verbal code. For example, it is virtually impossible to communicate about the past or future through nonverbal communication. All verbal languages have a formal set of sounds, syntax, and semantics. The degree of formality of verbal language is not found in the nonverbal code, however. No formalized alphabet exists for nonverbal codes. Although there are rules governing the use of nonverbal communication, a formal grammar or syntax does not exist.