The piece illustrated the challenge of the composer's ingeniously complex procedures.

These pieces illustrate such important issues of the day as temperance, slavery and women's rights.

The piece illustrates the use of tuple data type.

But other pieces well illustrate many of the currents in American culture.

It shows how long ago it was and this piece illustrates that for some the city isn't a place where racism is a daily issue.

This piece illustrates or rather suggests unconsciously a minimalist process, about which one will speak much in the following years.

The piece does not illustrate where the papers' owners fit in.

"These pieces illustrate the fact that multiple techniques are used in a simple object."

A piece of trivia illustrates the huge change in aircraft building technology.

Several pieces in the show illustrate the practice.