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Creativity is the ability to improve, where by through improvement value is added. What counts as "improved" may be in reference to the individual creator, or to the society or domain within which the innovation occurs. What counts as "valuable" is similarly defined in a variety of ways, but usually through its comparative uniqueness...

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A fence is a freestanding structure designed to restrict or prevent movement across a boundary. It is generally distinguished from a wall by the lightness of its construction: a wall is usually restricted to such barriers made from solid brick or concrete, blocking vision as well as passage (though the definitions overlap somewhat)...

A POTD is an acronym for "Photo of the Day", "Picture of the Day", "Post of the Day" or "Poll of the Day". It is a term most commonly used by online digital photography communities as an honor to outstanding photos that are selected daily from among that community's membership. They can either be tagged as POTD or displayed in a special page on that site...