Short answer
A photograph names an image-making medium; illustration can name either drawn imagery or an image’s role in explaining or accompanying text. When contrasted with photographs, illustration usually means the narrower, drawn-image category used by FCIT. But a photograph can also be an illustration: the Library of Congress catalogs a book of photographic illustrations. 1 2
On this page
At a glance
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| Question | Photograph | Illustration |
|---|---|---|
| What does the label identify? | Photographic medium | Drawn image type or publishing role |
| In FCIT’s comparison? | Stock photography | Mostly black-and-white line drawings |
| Typical emphasis there? | Outward appearance; a specific example | Structure; a generalized concept |
| Can the labels overlap? | Yes, when used to illustrate a publication | Yes, including photographic illustrations |
These are contextual distinctions and tendencies, not exclusive categories. 1 2
What each thing is
The narrow comparison concerns photography versus drawn or painted imagery, although the supplied instructional source mainly discusses line drawings. FCIT separates these collections as different image types. Publishing usage asks another question: what is the image doing alongside the text? The Library of Congress record demonstrates that photographs can occupy that illustrative role without becoming drawings. 1 2
Key differences
FCIT emphasizes what each image type can foreground. A photograph generally reveals outward appearance and presents a particular example. A drawing can emphasize structure or represent a concept more generally. These differences concern representation, not a guarantee that every photograph is detailed or every drawing is simplified. The source itself frames its comparisons as general observations. 1
How to tell them apart
First ask whether the label describes medium or use. For medium, look for an explicit identification as photography or drawing; for use, examine whether the publication treats the image as illustrative material. Do not decide from the word illustration alone. The Library of Congress record resolves the ambiguity by pairing photographic-illustration terminology with a mounted-photograph medium description. Appearance alone is not tested by that record. 2
Where they overlap
Photographs and drawings can both help explain a subject in a publication. The labels answer different questions when photograph describes the image-making medium and illustration describes its role alongside text. A Library of Congress catalog record applies both ideas to a book of photographic illustrations. 1 2
Edge cases
A publication described as illustrated need not contain only drawings. The photographed-book example is a useful boundary case because the title and medium description support both labels at once. Conversely, FCIT’s collection label does not define all illustration: it describes a particular collection consisting mostly, rather than exclusively, of black-and-white line drawings. 1 2
Why the distinction exists
Separating medium from function prevents two different questions from being collapsed. FCIT’s contrast helps discuss instructional presentation, including structure, generalization, and reproduction at small sizes. The catalog’s terminology describes photographs within an illustrated publication. Keeping those contexts separate lets the narrow comparison remain useful without treating photographic illustration as a contradiction. 1 2
Common misconceptions
Illustration does not always mean nonphotographic art, and photograph does not mean an image incapable of illustrating text. Nor does FCIT establish that drawings are always better for instruction: it recognizes roles for both image types and acknowledges the author’s preference for line drawings. Its observations should not be converted into a universal ranking. 1 2
Examples
First, FCIT contrasts a photograph of a particular smiling person with a drawing that communicates a generalized smile; both can support a lesson, but they represent the subject differently. 1 Second, a Library of Congress catalog record describes a book whose photographs accompany descriptive text as containing photographic illustrations. Those images are photographic by medium and illustrative in the book. 2