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A formal region is defined by common human property, such as the presence of people who share a particular language, religion, nationality, political identity, or culture; or by a common physical property, such as the presence of a particular type of climate, landform, or vegetation.

the above mentioned statements talks about the creativity of an artist and to what extend they can utilize and experiment on the objects provided.   differing size and subjects are given so that an image of wisdom is created. displaying a transition from light to dark in something by darkening sections in order to create a shadow. and lastly, putting bits and pieces together to formulate a new image.