The problem is always the next step. Imagine you wear prescription glasses and have to look down. Which of the lines signal a discontinuity - vitally, a step? Signage is not only symbolic: it provides affordances.
Op-art stairs
The problem is always the next step. Imagine you wear prescription glasses and have to look down. Which of the lines signal a discontinuity - vitally, a step? Signage is not only symbolic: it provides affordances.