Banner is a flag or other piece of cloth bearing a symbol, logo, slogan or other message
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A pamphlet is an unbound booklet (that is, without a hard cover or binding). It may consist of a single sheet of paper that is printed on both sides and folded in half, in thirds, or in fourths, or it may consist of a few pages that are folded in half and saddle stapled at the crease to make a simple book.
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Poster is any piece of printed paper designed to be attached to a wall or vertical surface.
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Source : Internet