The document discusses how color is an important communication tool that is now commonly used in business applications like presentation slides, reports, graphics, and proposals. It provides reasons for using color, such as attracting attention, clarifying points, highlighting changes, initiating action, and organizing information. Color increases attention, retention, comprehension, and persuades people to take action. Studies show the use of color can increase name and brand recognition by 70%, reading retention by 80%, and the likelihood of invoices being paid faster.