Circle Diagram: a visual aid to therapy.

The article discusses the author's use of the circle diagram to aid him in his therapy sessions with his clients. Topics include a brief profile of the author's engineering background, the influence of the article "Whatever Happened to Critical Thinking" by Colin Feltham in the journal "Therapy Today" on the author's use of the circle diagram in therapy sessions, and a comprehensive interpretation of the circle diagram as presented by the author.