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A pictogram or pictograph is a symbol which represents a concept or an object by illustration.
Early written characters ( symbols) were based on pictograms and ideograms, it is commonly believed that pictograms appeared before ideograms. They were used by various ancient cultures (in Egypt, Spain, Crete) around 5000 BC and are still in use as a main type of writing in some primitive cultures in Africa, America and Oceania.
Pictograms remain in common use today; for example the symbols on public toilets for "men" and "women."
Because pictograms do not depend on language, places such as airports and train stations use them for signpost ing. However, they can depend on culture—in the case of toilets, in some cultures men commonly wear dress-like clothing.
A standard set of pictograms was defined in the international standard ISO 7001: Public Information Symbols. Another common set of pictograms are the laundry symbolsLaundry symbols also called care symbols are pictograms which represent different methods of washing, drying, dry-cleaning and ironing clothing. They are written on labels attached to clothing, to indicate how a particular item should best be cleaned. used on clothing tags and chemical hazard labelA chemical hazard label is a pictogram applied to containers of dangerous chemical compounds to indicate the specific risk, and thus the required precautions. External links http://offices. edu/chemmgt/HazComProgram/i-labels. html http://www. org/public/es.
In countries or regions where two or more languages are used the typical traffic signMost countries place signs, known as traffic signs or road signs at the side of roads to impart information to motorists and other road users. Since language differences can create barriers to understanding, international signs using symbols in place of w is very often a pictogram with no writing on it. This is the case for much of EuropeFor the band of the same name, see Europe (band . Europe is a continent forming the westermost part of the Eurasian supercontinent. Europe is bounded to the north by the Arctic Ocean, to the west by the Atlantic Ocean, to the south by the Mediterranean Se and several parts of CanadaCanada historically the Dominion of Canada is the second-largest, and northernmost, country in the world. It is a decentralized federation of 10 provinces and 3 territories, governed as a constitutional monarchy, and formed in 1867 through an act of Confe. Many of these signs, however, offer an abstract symbol instead of a picture, and they cannot be considered true pictograms.
The term "pictograph" can also be used to mean
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