The term 'Big Apple Product' is a crossword solution that consists of three letters: MAC. MAC stands for 'Media, Arts, and Computers' and is a brand of personal computers designed, developed, and marketed by Apple Inc. The company was founded in 1976 and is now one of the world's largest information technology companies. The brand is known for its innovative products, such as the Macintosh computer, iPod, iPhone, and iPad.