Among other descriptions, Merriam-Websters Collegiate Dictionary defines "WORD" as a NOUN. It includes in its definition: la: any segment of written or printed discourse ordinarily appearing betwen spaces or betwen a space and a puntuation mark.
When did language start? Intuitively, we may speculate that our Human Ancestors started communicating with each other by grunting, maybe by hooting, crying or shouting and gradually, these "sounds coming from their mouth" began shaping distinct sounding sounds that what we called words. When words got arranged into sentences we have Language, There is no other natural communication system like the human language.
Every second, in every conuntry of the world, a person is using a vocabularies of tens of thousands of words to communicate with each other. But, we need to be careful of what words we use, because Words are powerful specially when they provide from the wong mouth.
All the great Religions founders used words to entice people to join their religion All the philosophers use d Words to spread their thoughts, but there was a HITLER, and many others in the world who had use words to create hatred among people, among countries, and to create wars.
So we all need to monitor our WORDS very carefully, because each word we utter has POWER. It could help built up a person's ego, or destroy it completely. Encourage or discourage, hurt or heal, send another human being in the right or in the wrong direction by planting in their hearts the seed of love, or the seed of hatred. THINK ABOUT IT.
a) we could use them to communicate with another person. Express what we want, how we feel, what we need, what he like and what we dislike, and in business, to teach something, to do a transaction, to ask questions and