Ever wondered what the difference is between a yellow triangle, a blue circle, and a red circle with a slash through it? What does a red square mean vs. a green one? Care to find out? It could save your life.

Geoffrey Peckham, Clarion CEO and head of the US delegation to the ISO/TC145, the committee in charge of standardizing graphical symbols worldwide, explains.

Interview conducted by Patrick Beck, www.ClarionSafety.com. Written, shot, and directed by Christopher King, www.EndlessEcho.com. Animations by Ross Charnock. Transcript by Jessica Nel. Music by Simon Wilkinson (“See How They  Run”), www.TheBlueMask.com.