Question

what is mean by poster?​

Answer 1

Answer:

A poster is a temporary promotion of an idea, product, or event put up in a public space for mass consumption..

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Answer 2

Answer:

a large printed picture or a notice in a public place, often used to advertise something

Explanation:

A poster is a temporary promotion of an idea, product, or event put up in a public space for mass consumption. Typically, posters include both textual and graphic elements, although a poster may be either wholly graphical or wholly text. Posters are designed to be both eye-catching and informative.