A poster has both written content and drawings or images on it. However, it can also contain anyone of them, written content or some drawing. A poster is generally colourful which means we can generally use multiple colour and pens to make it and not just one. A poster is generally made with some objective in mind, it targets an audience and has a message to aware people about a cause. A poster is a form of representation of an idea, product, a public event or a social cause. It is generally made for mass awareness. The purpose of poster is to be eye catching, gather attention and at the same time be informative.