I never get tired of recommending this PDF for understanding metaphors. Metaphors can educate, lead and mislead alike. Very powerful stuff.
One of the strongest crossovers to help people understand concepts is relating things to physical systems, particularly physics, but evolutionary theory also works as well as do the other sciences.
Consider how often we describe those we don’t like as “infections” that “plague” us? The cure? Usually bombs but sometimes something else. Metaphors are powerful convincing tools.