Power of Words - The Vowel Movement is all about mastering communication by using the power of words, powerful words, powerful words list, business power words, sales power words and more.. Its central premise is that the meanings of words are not in the words; they are in us People use language and the power of the spoken word to communicate but often say something that is either perceived wrong or is couched in a completely different meaning than what was said. The Vowel Movement is the book to read to master communication personally and professionally and to master power words.