I found these informative table setting diagrams on the Toast and Tables blog and thought they would come in really handy. The casual lunch makes me want to throw a beautiful summer party by the pool with refreshing summer time drinks and delicious foods hot off the barbecue.
(above: For a casual lunch, feel free to use heavier dinnerware, like these simple ceramic plates. Provide glasses for whatever beverage you plan to serve).
(above: A casual dinner calls for less formal china and stemware, and stainless steel flatware is fitting for the relaxed setting).
(above: For a formal luncheon, the table is set much as for dinner with a few exceptions. The presence of an iced teaspoon and iced beverage glass announce a daytime event).