We have created model policy language, offering concrete illustrations of policy exemplars. (nbpts.org)
Paul Tillich put it abstractly, as was his wont and we do well to quote him before setting forth a few concrete illustrations of an alternative: (religion-online.org)
Saskia Lukas says that «a lot of the people who come to the class are surprised by the information, and they come away with concrete illustrations on how to be a better rider.» (treehugger.com)