Turn abstract info into something more concrete and it becomes more memorable.
Why is it more common for people to fear plane crashes than heart disease, even though, statistically speaking, you’re far more likely to be killed by the latter than the former?
The grisly answer is that most of us find it far easier to bring to mind an image of a plane crash than an image of heart disease. Our memories are highly dependent on our imaginations, and our imaginations are highly dependent on our visual sense. Things that are hard, even in theory, to visualise, are (in general) harder to remember. Therefore, if you are trying to remember abstract information, it can be very useful to first translate it into something ...