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A pictographic traffic sign (top) warning motorists of horses and riders. 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.
Writing systems are used to record human language, and may be classified according to certain common features.. The usual name of the script is given first; the name of the languages in which the script is written follows (in brackets), particularly in the case where the language name differs from the script name.
A few other modern pictographic systems use inflection symbols to expand meanings, for example, Blissymbolics. iConji includes inflections for present, past, or future tense verbs, adjectives, adverbs, and possessives. The user can also add metadata, if desired, to clarify the meaning or include additional text content.
Egyptian hieroglyphs and Maya script were often painted in linear outline form, but in formal contexts they were carved in bas-relief. The earliest examples of writing are linear: while cuneiform was not linear, its Sumerian ancestors were. Non-linear systems are not composed of lines, no matter what instrument is used to write them.
In computer science, the syntax of a computer language is the rules that define the combinations of symbols that are considered to be correctly structured statements or expressions in that language. This applies both to programming languages , where the document represents source code , and to markup languages , where the document represents data.
Generally, with the evolution of the script, the forms of pictographs became less directly representational, to the extent that their referents are no longer plausible to intuit. Examples include 田 'field'，and 心 'heart'. Indicatives (指事字 zhǐshìzì) like 上 'up' and 下 'down', or numerals like 三 'three'.
Some of the most popular examples of scientific visualizations are computer-generated images that show real spacecraft in action, out in the void far beyond Earth, or on other planets. [ citation needed ] Dynamic forms of visualization, such as educational animation or timelines , have the potential to enhance learning about systems that change ...
Scientific visualization (also spelled scientific visualisation) is an interdisciplinary branch of science concerned with the visualization of scientific phenomena. [2] It is also considered a subset of computer graphics, a branch of computer science. The purpose of scientific visualization is to graphically illustrate scientific data to enable ...