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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.
In logographic writing systems, glyphs represent words or morphemes (meaningful components of words, as in mean-ing-ful) rather than phonetic elements. No logographic script is composed solely of logograms. All contain graphemes that represent phonetic (sound-based) elements as well.
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.
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'.
In computing, an icon is a pictogram or ideogram displayed on a computer screen in order to help the user navigate a computer system.The icon itself is a quickly comprehensible symbol of a software tool, function, or a data file, accessible on the system and is more like a traffic sign than a detailed illustration of the actual entity it represents. [1]
CAD—Computer-aided design; CAE—Computer-aided engineering; CAID—Computer-aided industrial design; CAI—Computer-aided instruction; CAM—Computer-aided manufacturing; CAP—Consistency availability partition tolerance (theorem) CAPTCHA—Completely automated public Turing test to tell computers and humans apart; CAT—Computer-aided ...
Also simply application or app. Computer software designed to perform a group of coordinated functions, tasks, or activities for the benefit of the user. Common examples of applications include word processors, spreadsheets, accounting applications, web browsers, media players, aeronautical flight simulators, console games, and photo editors. This contrasts with system software, which is ...
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.