It is called a printed and published piece of an event or special incident to give information to a special section of the society. In other language, it is used other words such as , “affiche” in French or “placard” in Germany . The posters are mainly used to be informative and to make connections to the audience in different areas. They are usually pasted on flat surfaces such as walls, billboards or urban areas and more frequented locations so that the audience can be more attracted and receive the message inside. By this method, the message transferring process is done for a mass group of audience with a lower cost comparing with other media.