<P> A pattern, apart from the term's use to mean "template", is a discernible regularity in the world or in a manmade design . As such, the elements of a pattern repeat in a predictable manner . A geometric pattern is a kind of pattern formed of geometric shapes and typically repeated like a wallpaper . </P> <P> Any of the senses may directly observe patterns . Conversely, abstract patterns in science, mathematics, or language may be observable only by analysis . Direct observation in practice means seeing visual patterns, which are widespread in nature and in art . Visual patterns in nature are often chaotic, never exactly repeating, and often involve fractals . Natural patterns include spirals, meanders, waves, foams, tilings, cracks, and those created by symmetries of rotation and reflection . Patterns have an underlying mathematical structure; indeed, mathematics can be seen as the search for regularities, and the output of any function is a mathematical pattern . Similarly in the sciences, theories explain and predict regularities in the world . </P>

Pattern is the consistent use of an element of form repeatedly
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