Ever since humans have inhabited the earth,they have made use of various forms of communication.Generally, this expression of thoughts and feelings has been in the form of oral speech.(1)_______________________.Tourists,the deaf,and the mute have had to resort to this form of expression.Many of these symbols of whole words are very picturesque and exact and can be used internationally;spelling,however,cannot.Body language transmits ideas or thoughts by certain actions,either intentionally or unintentionally.(2)_______________________.A nod signifies approval,while shaking the head indicates a negative reaction.Other forms of nonlinguistic language can be found in Braille—a system of raised dots read with the fingertips,signal flags,Morse code,and smoke signals.(3)_______________________.While verbalization is the most common form of language,other systems and techniques also express human thoughts and feelings.
