Red is the color of passion that depicts extreme emotions, such as, love, seduction, adventure, energy, violence, magic, anger. This infographic explains how and where it does that. http://www.designmantic.com/blog/infographics/red-the-color-of-passion/
Since photography is the art of capturing and viewing the real world to exploit a visual aesthetic value, the principles of photography can be leveraged in almost every area of design. Here are a few principles of photography that graphic designers can learn a thing or two from for all their design related endeavors:
Faced with huge quantity of information and messages, it is important to communicate clearly, succinctly and with visual clarity. From flat designs to 5 seconds motion graphics, think of simple design as the yin to technology's yang.