an aide-mémoire

an aide-mémoire

Notes or pictures that one uses to remember something. When I was studying for the test, I made an aide-mémoire of all the steps in photosynthesis.
Farlex Dictionary of Idioms.
See also:
  • a recipe for (something)
  • a recipe for disaster, success, etc.
  • recipe
  • success
  • night and day
  • end in itself
  • an end in itself
  • count for
  • count for (something)
  • cut out for (someone or something)