The format of the poster can vary from A4 to A0, since the human eye tends to perceive only large letters from long distances.
Design billboards in this regard is more revealing, because it is billboards are printed on huge canvases that are attached to the walls of cinemas, billboards and special advertising stands.
The design of posters in the usual presentation has less global dimensions, and they are often invested in thematic magazines, or sold as decorative ornaments.
In any case, each of these types of advertising (creativity) carries the following semantic load – attracting the attention of a person. This factor explains the element of marketing in the process of manufacturing this type of product.