1) The document discusses wordiness in writing and provides examples of wordy sentences.
2) It gives an example of a wordy 31-word sentence that is reduced to a clearer 13-word sentence by removing unnecessary words.
3) The document provides five examples of types of wordiness to avoid, such as redundant words, empty phrases, vague expressions, unnecessary phrases, and passive voice. It suggests being concise by using the simplest words that convey meaning.