Visual communication takes place through pictures, graphs, and charts, as well as through signs, signals, and symbols. It may be also used independently.
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How to be a graphic designer
Cultural perspective involves identity of symbols. The uses of words that are related with the image, the use of heroes in the image, etc.
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Critical writings on graphic design
The view of images in the critical perspective is when the viewers criticize the images, and the critiques have been made in the interest of the society.