The rule of thirds or “rule of thumb” is guideline used in photography which applies to the process of composing visual images into nine different sections so that each sections can have a greater focus on.The main focus of an image should be in the center square or touching or be on the line of the cornersof the center square. Some photographers say that by aligning a subject with these points creates more tension, energy and interest in the composition than simply centering the subject.

The photograph to the above demonstrates the application of the rule of thirds. The horizon sits at the horizontal line dividing the lower third of the photo from the upper two-thirds