The phrase "a visual illustration of" is correct and usable in written English.
It can be used when describing a graphic or image that represents or explains a concept, idea, or data visually.
Example: "The report includes a visual illustration of the data trends over the past five years."
Alternatives: "a graphic representation of" or "a pictorial depiction of".
The annual tax statements, announced by the chancellor in March 2012, will provide more than 24 million people with a visual illustration of how their taxes are being spent.
Taryn Simon's "Folder," featuring collections of same-subject archive photos (swimming pools here, tiled over one another), provides a visual illustration of the aesthetic pleasure in the archivist's work.
Figure 3 is a visual illustration of our unique localization method.
(a) Visual illustration of Theorem 20, case (i); (b) visual illustration of Theorem 21, case (a).
See Figure 1 for visual illustration of Theorems 17 and 18. Figure 1 (a) Visual illustration of Theorem 17.
The figures highlight a visual illustration of the spatial pattern of thermal environment, vegetation cover and long term AAP distribution in the study area.
5. Create a visual illustration for each interval of the Mercalli Scale that physically represents the damage expected at each level.
The Wug test was originally designed to test productive morphology by providing children with nonsense words in the context of a visual illustration and a series of short sentences.
For a visual illustration, the final products of the polymerizations were examined under SEM.
Figure 5 is a visual illustration how the fraction of experiments with high-intensity gel electrophoresis band increases with increasing copy numbers of the repeat, particularly for repeats with more than four copies.
Much of the new video shows the women being manhandled by police and whipped by Cossacks; instead of leaving them to jump around unmolested, the authorities provided a striking visual illustration of the sentiment in the lyrics.
