Communicating enthusiastically, calmly, or fiercely can affect how individuals interpret you. If voice and tone are not examined, everybody's business could seem like similar dull individuals managed it.
Likewise, your astonishing, creative, exceptional business wouldn't be unmistakable from others. The way you speak can show your warmth, professionalism, humorous nature, or whatever another characteristic you need to show to customers, and sets you aside from your rivals.