I could say a lot - but basically - clear, straightforward communication is essential for business, school, writing, and building relationships with people. As a culture of people, we have many subcultures 'and' slang to move us along in our world. We have so many hats to wear in the world that much of it is and has been crossing over for years. As a teacher, a former human resource manager, I have found that communication can make or break a person. You must be able to speak the language of the land AND know the conventions of that language. Your performance in the workplace, in school, in your career, are all important because of your ability to communicate effectively with your peers and others.