The term 'BLOCK SUN' can be solved by the five-letter word 'ADOBE'. ADOBE is a software company that specializes in creating multimedia and creativity software products. ADOBE's most popular products are Photoshop, Acrobat Reader, and Illustrator. ADOBE also offers cloud services such as ADOBE Creative Cloud, which allows users to access their creative tools from any device. ADOBE's products are used by millions of people around the world for a variety of tasks, including graphic design, web development, video editing, and more.