The term 'EAST, and Juliet is the sun' is a reference to the famous play Romeo and Juliet by William Shakespeare. The word 'EAST' is a four letter word, which is the answer to the crossword puzzle. In the play, Romeo and Juliet are two star-crossed lovers from two feuding families, the Montagues and the Capulets. Romeo is from the Montague family and Juliet is from the Capulet family. The phrase 'EAST, and Juliet is the sun' is a metaphor for the two lovers, with Romeo being the EAST and Juliet being the sun.