Composition in photography is to the arrangement of elements within a frame to create a visually compelling image. It is a fundamental aspect of photography that leads the viewers eyes. Overall impact of the image and can be greatly influence aesthetic or emotional appeal.

What I learned about exposure is the amount of light you let in per unit in a photographic film. which controls the overall brightness or darkness of a photograph. exposure time is controlled in a camera by shutter speed and the illuminance depends on the lens aperture and scene luminance. aperture is adjustable opening in a camera. ISO is a numerical value that represents a cameras sensitivity to light. A shutter speed is the speed at which a cameras shutter opens and closes when taking a photo.