The phrase identifies a specific type of resource designed to aid individuals in developing visual literacy. Such resources often employ comparative imagery to illustrate principles of effective and ineffective photographic composition, lighting, subject selection, and overall aesthetic qualities. For instance, a publication might present two images of the same subject, one exhibiting poor lighting and framing, and the other demonstrating improved techniques to create a more visually appealing result.
The value of these resources lies in their accessibility and practical application. They offer a readily understandable method for learning fundamental photographic principles, benefiting both novice and experienced photographers. Historically, similar comparative approaches have been used in art education to demonstrate the impact of technique and artistic choice, thereby improving visual understanding and creative expression.