The words we use to communicate every day are important in every aspect of our lives. From relaxing,to working, to studying, to taking tests, we use words to share with others how we feel, what wethink, and why we think that way.Without words, it is difficult to express our ideas to the rest of theworld. The more words we know—the larger our vocabulary—the more clearly we can communicate with others.Our vocabularies reveal our knowledge to the world; therefore, a person with a large vocabulary has the advantageof self-expression..