Composition is what guides our eyes through a photograph and gives importance to the subject in relation to the rest of the photo. Composition through flow, direction, and visual balance, helps drive the story behind your image and grabs your viewer's attention.
What is importance of composition?
Composition gives layout and structure to each art piece, and also affects the way the subject is perceived and understood. It leads the eye of the observer through the image and emphasizes the focal point.
Why is it important to have a good composition in an image?
The goal of composition is to direct the viewer's eye, or to guide them to look where you want them to. A well-composed photo should keep the viewer interested, ideally by keeping their eyes moving around the frame.