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Picture communication symbols (PCS) are a set of colour and black & white drawings originally developed by Mayer-Johnson, LLC for use in augmentative and alternative communication (AAC) systems. These AAC systems may be high-tech, such as the TD Pilot, or low-tech such as a communication board.
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A letter board or letter sign, also known as marquee, is a customizable form of signage that employs individually movable letters of the alphabet.They are used by, e.g., movie theaters to list the current roster of films, churches to display the titles of sermons, and other buildings, people, and institutions whose signs are required to change on a regular basis.
This image or media file is available on the Wikimedia Commons as File:Yes check.svg, where categories and captions may be viewed. While the license of this file may be compliant with the Wikimedia Commons, an editor has requested that the local copy be kept too.
No colours are specified in ISO 7001, with the only guidance being to ensure clear contrast between the symbol and the sign background, as well as the environment the sign is in. There is a clear recommendation against using colors specified in ISO 3864 , due to possible confusion with safety signage using those colors.
The term "ADA Signs" has come into common use in the architectural, construction and signage industries with the advent of the Americans With Disabilities Act, or ADA.The Americans with Disabilities Act regulates accessibility; and includes requirements for signage that is conveniently located and easy to read both visually and through tactile touch.
The general prohibition sign, [1] also known informally as the no symbol, 'do not' sign, circle-backslash symbol, nay, interdictory circle, prohibited symbol, don't do it symbol, or universal no, is a red circle with a 45-degree diagonal line inside the circle from upper-left to lower-right. It is typically overlaid on a pictogram to warn that ...
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.