The mentioned graph is a pictograph.
What is a pictograph?
A pictograph is a picture symbol for words and phrases. Pictographs were used as the earliest known texts, examples found in Egypt and Mesopotamia before 3000 BC. discovered. Also called a pictogram, it is an image representation of data using images, icons, or symbols.
Symbols and pictographs are used at every stage of the development of human communication in various forms, from the dawn of history to the use of visual symbols and figures to convey the meaning of concepts, words and sounds to the development of spoken language. As a form of communication, pictographs have multiple functions and are becoming more convenient as the demand for high-speed communication increases.
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