Spatial organizational pattern is being used here. Spatial organizational pattern is where the information is arranged according to how things fit together in a physical space. "This pattern works well when a writer wishes to create a mental picture of something which has various parts distinguished by physical location."
Spatial pattern organizes each different point with a direction and then connect each main point to a whole. It also helps in describing how a particular thing looks like. Here the main points importance is taken from its location, this pattern exists in both fiction and non-fiction narratives where the writers describes things in detail.
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