The term 'Flag Feature' is composed of three crossword solutions: STAR (4 letters), STRIPE (6 letters), and STARS (5 letters). STAR is an acronym for the phrase 'Symbols of the American Republic, ' which is used to refer to the STARS on the United States flag. STRIPE is a reference to the stripes on the flag, and STARS is a plural form of STAR. Together, these three words refer to the iconic features of the United States flag, which is composed of thirteen alternating red and white stripes and fifty white STARS on a blue background.