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A pictogram (also pictogramme, pictograph, or simply picto[1]) is a graphical symbol that conveys meaning through its visual resemblance to a physical object. Pictograms are used in systems of writing and visual communication. A pictography is a writing system [2] which uses pictograms. Some pictograms, such as hazard pictograms, may be ...
Hazard pictograms are one of the key elements for the labelling of containers under the GHS, along with: [2] an identification of the product; a signal word – either Danger or Warning – where necessary. hazard statements, indicating the nature and degree of the risks posed by the product. precautionary statements, indicating how the product ...
Ideogram. An ideogram or ideograph (from Greek idéa 'idea' + gráphō 'to write') is a symbol that represents an idea or concept independent of any particular language. Some ideograms are more arbitrary than others: some are only meaningful assuming preexisting familiarity with some convention; others more directly resemble their signifieds.
A chemical hazard symbol is a pictogram applied to containers and storage areas of dangerous chemical compounds to indicate the specific hazard, and thus the required precautions. There are several systems of labels, depending on the purpose, such as on the container for transportation, containers for end-use, or on a vehicle during transportation.
The most elaborate pictographs in the U.S are considered to be the rock art of the Chumash people, found in cave paintings in present-day Santa Barbara, Ventura, and San Luis Obispo Counties. The Chumash cave painting includes examples at Chumash Painted Cave State Historic Park and Burro Flats Painted Cave.
Blissymbols – A constructed ideographic script used primarily in Augmentative and Alternative Communication (AAC). iConji – A constructed ideographic script used primarily in social networking. Isotype (picture language) A wide variety of notations. Linear B also incorporates ideograms.
Examples include 日 ('Sun'), 月 ('Moon'), and 木 ('tree'). Over time, the forms of pictographs have been simplified in order to make them easier to write. [ 16 ] As a result, it is often no longer evident what thing was originally being depicted by a pictograph; without knowing the context of its origin in picture-writing, it may be ...
Pictographs then began to appear on clay tablets around 4000 BCE, and after the later development of Sumerian cuneiform writing, a more sophisticated partial syllabic script evolved that by around 2500 BCE was capable of recording the vernacular, the everyday speech of the common people. [7] Sumerians used what is known as pictograms. [5]