Pictograms and Ideograms

Pictograms

A pictogram conveys its meaning through its pictorial resemblance to a physical object. Pictographs are often used in writing and graphic systems in which the characters are to a considerable extent pictorial in appearance. Pictography is a form of writing which uses representational, pictorial drawings. It is a basis of hieroglyphic writing, which also uses drawings as phonetic letters or determinative rhymes.

 

national_park_service_pictograms

Ideograms

An ideogram (from Greek ἰδέα idea “idea” + γράφω grafo “to write”) is a graphic symbol that represents an idea or concept. Some ideograms are comprehensible only by familiarity with prior convention; others convey their meaning through image resemblance to a physical object, and thus may also be referred to as pictograms. Ideogram can be called logograms in writing systems such as Egyptian hieroglyphs, Sumerian cuneiform and Chinese characters. Dongba scriptures used without Geba decoration is an example of a real ideogram.

 

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