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Core and radial is an interesting schema to observe as it combines the straight movements of trajectory schemas and the circular movements of rotation schemas. The word core here means centre, and radial means arranged in lines from a central point.
Think about how children typically draw a sun shining. They tend to draw a circle and then add lines or rays sticking outwards, fairly evenly spaced around the circumference of the circle. Or imagine the spokes on a bicycle tyre – this is another typical core and radial image.
These ‘sun’ and ‘spokes’ shapes can also be found in our daily lives if we imagine how we might cut a pizza or cake, or picture the sun icon being used as an emoticon or to indicate sunshine. In addition, any structure where we see straight lines or poles fanning out from a round nut or screw head depicts this core and radial image.
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