When I was in advertising, writing, editing, delivering or sitting through presentations was a common affair. A presentation is not limited to one which is delivered in front of a large audience. It can be a one-on-one discussion with a client or even an internal discussion to sell one’s ideas or point-of-view. Herewith some observations (none of these are original or startlingly new but just the basics) gleaned over the years about the former kind…