Today we looked in detail at road signs as they're a good example of simple images that even with not much detail can convey their meaning. The meanings are conveyed in a number of ways, the use of colour as well as simple shapes that represent things such as roads helps a great deal and also the use of a few choice words that can be read and understood at first glance. Some of the shapes are very very simple for example a triangle with an arrow pointing downwards immediately gets the idea of a slope across even though a hill is not shaped like that, that's the whole point, trying to find a compromise between realism and simple symbols.
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