Answer:
Posters are one of the most cost effective forms of advertising on the market. Posters allow you to spread your message to a wide audience far cheaper than radio, print or television advertising in a simple, easy and affordable way.
A poster should:
Have type large enough to be viewed to 10-15 times your format width.
Have a simple and clear layout so your reader knows where to find the information.
Include all important information such as date, time, location, contact name and telephone number.
Have a dominate elements such as a headline or image that will quickly catch your reader's eye.
Have the most important message emphasized by size, color, or value.
Have art that is related to the message.
Have the type and imagery arranged in a logical, functional sequence.
Have bold, intense colors to enhance your message so that it can be easily seen from a distance.
