"illustrative aspect" is correct and usable in written English.
You can use it when you are discussing something that serves to provide an example or a demonstration of a specific concept, idea, or principle. For example, "This painting highlights the illustrative aspect of abstract art."
There have been occasions this season when the sociological, illustrative aspects of "Mad Men" have been a little too evident — scenes or shots that point out the differences between then and now — but more often it truly immerses itself in its time.
Although the authors have claimed that the study covers the most recent, diverse and refined research output (via PubMed), the number of publications is likely to be only illustrative of the quantitative aspect of the research output.
Finally, an illustrative example is presented together with aspects typical for the problem with large multi-dimensionality.
For each practical session, we have prepared a 5 10 min illustrative video, which presents the fundamental aspects (overall objectives, operational objectives, key ideas, conclusions, etc).
The illustrative sugar cookies posted here embrace both aspects of advocacy in the sweetest way -- and as Matt Allen of Taylor's confirmed, with written permission of the artist.
We propose a conceptual framework with 4 main domains relevant to transitions leadership, financing, programming, and service delivery along with guiding questions and illustrative indicators to guide users through key aspects of monitoring and evaluating transition.
Both Trollope and Darwin work in the mock-epic mode: the acts of very small and humble and comic creatures, archdeacons and earthworms, are shown to be not just illustrative of heroic and cosmic workings but an aspect of them.
Illustrative examples are shown to highlight the important aspects of energy, entropy, and exergy.
Illustrative examples are given also to show the effects of varying gradients, aspect ratios, and thickness to length ratios on the free vibration of the FG plates.
To me, one of the more disturbing aspects of the current backlash is that it is illustrative of the woeful state of science education in the United States.
