"when illustrating" is correct and usable in written English.
You can use it to show that something is being demonstrated or explained with an example or an image. For example: "When illustrating the concept of supply and demand, charts and graphs are often used."
Burgess said that he was aiming for the spirit of Milne's illustrator EH Shepard, "rather than slavishly copying", when illustrating the sequel, and that he especially enjoyed drawing Penguin.
The NSPCC understandably uses models when illustrating child abuse.
I use these programmes almost every day when illustrating and sketching my designs.
Yet when illustrating that "temperature and CO2 march in lockstep," the show chooses intervals of centuries instead.
This worked well enough when illustrating an incident found in the pages of Homer, but it raised the question of whether a modern hero or famous person should be portrayed in classical or contemporary dress.
HONG KONG — Hong Kong has one of the most expensive and crowded property markets in the world, and CBRE, the commercial real estate services firm with offices here, can be highly imaginative when illustrating that point.
A recent day filled with discussions of what to cut, and when, illustrated what Mr. Mallon views as the human cost of the cuts.
This is one of variety of phrases placed in their historical context when illustrated with objects from the Fairfield Historical Society's collections in "Haven't a Clue!: Origins of Everyday Expressions," on view through Oct. 9. "Like most historical societies, we have a large collection of everyday objects including tools from the past," said Adrienne Saint-Pierre, the museum's curator.
When illustrated by a rubbery brown alien with an illuminated finger, it seems more plausible somehow.
When illustrated, crest badges should only be printed in monochrome, and should not coloured.
The latter tendency can be more clearly observed when illustrated by the level of assumed risk of stroke as defined by different levels of ABCD rule score (low: 0 3, intermediate: 4 5 and high: 6 7 points, Table 5).
