How does using scale provide context in a photograph?

Using scale in a photograph is essential for providing context as it helps viewers understand the relative size of subjects within the image. Including objects of known sizes for reference, such as a person standing next to a building or a common item like a coin beside a larger subject, allows the audience to gauge the dimensions of the main subject more accurately. This technique effectively communicates the scale of the photographed scene, enhancing the viewer's appreciation and understanding of the environment or subject being depicted.

In contrast, altering colors, cropping, or focusing solely on large objects does not inherently provide a clear reference for size comparison. While such techniques can influence the overall composition and aesthetic of a photograph, they do not directly contribute to understanding scale or context as effectively as including familiar objects of known size.