Composition = Emphasis = The Key to take Strong Images

Description: In photography, the rule of thirds is a type of composition in which an image is divided evenly into thirds, both horizontally and vertically, and the subject of the image is placed at the intersection of those dividing lines, or along one of the lines itself.

Good Example can be found:
https://www.slrlounge.com/glossary/rule-of-thirds-definition/