Answer:

1. The definition of a poster is a large print, ad or decoration that can be displayed or hung on the wall
2. They are a frequent tool of advertisers (particularly of events, musicians, and films), propagandists, protestors, and other groups trying to communicate a message. Posters are also used for reproductions of artwork, particularly famous works, and are generally low-cost compared to the original artwork.
3. It provides a message intended to promote brand awareness or call attention
4. in graphic design,page layout is the arrangement of visual elements on page,it generally involves organizational principles of composition to achieve specific communication objectives
5. An effective layout not only looks attractive, but also helps the viewer understand the message the design is conveying. In other words, understanding layout is key when it comes to creating user-friendly, engaging designs, particularly in the realms of web design and advertising.