In fact, grammar is the least of a writer's worries. All of us are writers, whether we write memos in a corporate or government job, papers for a professor, novels for a publisher, give speeches across the country, or just speak to each other across a desk or a phone line. In any walk of life the effective communicator will always hold the advantage over one who has trouble expressing his or her ideas, because the effective communicator will have a thorough understanding of a subject and the tools with which to persuade others that the subject needs close attention. The ineffective communicator will be unconvincing and difficult to comprehend. These goals and our approach to accomplishing them pave the road to successful communication the one goal which encompasses and undergirds the three.
Communication is the function of language.
Language is comprised of symbols which are written as letters and words, or spoken as verbal utterances. These groups agree that each symbol refers to a specific concept in a specific context. We speak the same language. To communicate effectively you must speak the same language as the person to whom you convey a message. The more complex the idea being conveyed, the more detailed and specific the message must be.