To reach these listeners, speakers must ask themselves key questions. This will require a move from a style of communicating that is consistent with written standards to one which satisfies the uniqueness of a speaking situation. Oral style tends to be more personal and less formal. This can enhance the message but, at the same time, it carries the potential for vagueness. Strive for concrete language and unbiased words.
Oral style is also more repetitious.
The opportunities to go back and get information when we read are limitless. In speaking situations, they are rare. What may be redundancy in written work is necessary amplification in a speech.