When you look at the following image, you may not know what it means or what will happen when it is clicked.
.When two images are put together in the following way, you may have a better basis to guess what they mean (but with uncertainty)
When the 'Back' and 'Next' labels are added, the meaning of the two images becomes much clearer. These two labels provide perceptual information for knowing the affordances of the images.
Now, look at the following figure, and think about the relationship between perceptual information and affordances.
Look at the following picture, think about why the gate numbers are listed as such rather than simply 'A1...A8'.
Making the affordances more perceivable
Can you tell the affordances of the following designs?
The affordances of these symbols (or designs) are not that clear. How can we make the affordances of a designed object more perceivable or clearer to users? In addition to use textual information like 'Back' and 'Next', the user-interface design is also important. Now have a look at the following types of recycle bins, and decide which one has the best design from the perspective of affordance.
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