aidememoire
Aidememoire is a French term that translates literally to "help to remember." In English, it refers to a note, reminder, or item intended to assist someone's memory. This can take many forms, from a simple written note or a physical object to a more complex mnemonic device. The purpose of an aidememoire is to jog the memory of a person about something they might otherwise forget, such as an appointment, a task, or a piece of information.
Historically, and even in contemporary life, people employ various aids to memory. This might include keeping