ICT is an umbrella term that includes any communication device or application, encompassing: radio, television, cellular phones, computer and network hardware and software, satellite systems and so on, as well as the various services and applications associated with them, such as videoconferencing and distance learning.
Billboard is a common word for poster panels and bulletins. There are three standard kinds of billboards: Bulletins Standard sizes: 14 by 48 feet (672 sq. ft.), plus extensions 10'6 by 36 feet (378 sq. ft.), plus extensions. Bulletins are used to display painted or computer-generated vinyl images and are found in high density traffic areas, such as highways and Interstates.
The One-Sheet - Most popular American Poster Size. The One-Sheet is definitely the most common among sizes of US movie poster, measuring 27 inches by 40 inches. It represents the standard movie poster size used in U.S. movie theaters today. However, up to 1983, one-sheet originals measured approximately 27x41 inches in size, while re-prints of pre-1983 originals normally measure anything between 39.5 inches to 40.5 inches in height, by 27 inches in width.