Here is a simple illustration of what is at issue.

As a simple illustration, consider a group of shops in a flat city.

To make the matter clear, we will take the simplest possible illustration.

I can answer this by a a simple illustration in language.

Here is a simple illustration from the law of tort.

He explained some basic principles of physical chemistry using simple illustrations.

Artwork was prepared as a simple black and white illustration on paper.

Below is a simple illustration of this, given on two staves to save space.

Pat's strong, simple illustrations make this a very appealing story.

Others contain only line drawings, or one simple illustration at the opening.