The term 'Beautiful Jug' is a combination of two crossword solutions, EWER and 4 letters. An EWER is a type of jug or pitcher with a wide base and a narrow neck, often used for pouring liquids. It is usually made of metal, ceramic, or glass, and is often decorated with intricate designs. The 4 letters could refer to any number of words, but it is likely that the combination of the two solutions is meant to evoke an image of a beautiful jug.