The purpose of a photograph an essential early step in critiquing the image B. Knowing the purpose of a photo helps you determine whether the photographer wants positive or negative feedback.
Simply put, positive space is the actual subject while negative space (also called white space) is the area covering the subject. The latter acts as breathing room for your eyes.
Too little hostile space developments in cluttered and busy photographs with every element in the photo calling for the viewer's attention.
Negative space defines and emphasises the main topic of a photo, drawing your eye to it. It provides "breathing room", giving your eyes somewhere to rest and controlling your image from appearing too confused with "stuff".
All of this adds up to a more interesting composition.
To learn more about purpose of a photograph, refer
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