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A finger ring is a circular band worn as a type of ornamental jewelry around the finger; it is the most common current meaning of the word ring. Other types of metal bands worn as ornaments are also called rings, such as earrings arm rings, toe rings and neck rings. Rings can be of almost any material: metal, plastic, wood, bone, glass, gemstone to name a few...

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...