People with intellectual disabilities rely on pictograms in public spaces to circumvent their difficulty understanding textual information. Pictograms in public places are support tools for ...

“When encountering a left turn arrow, it is to be treated as a red light.” The reason it’s an arrow is because it designates the direction you’re traveling, he added.

Motion line: adding three little lines to represent movement or sound. Arrow: the longer the axis, the easier it is to understand. (1.9 times the length of the standard pictogram) ...