Consider the current safety information card aboard the American Airlines Boeing MD-80. It's a large, trifold brochure with four full-color pages of pictograms and one page of dense, small text ...
I always get confused by the icons on my vacuum cleaner pedal. Take a look at the upper icon. Is that icon representing 1) The tool. I.e. "Your now using the pedal without the brush" (ergo, on a ...