aide-mémoire

Translations
памятка
напоминание
мнемоническое средство
вспомогательная записка
неофициальный меморандум
Definitions
Something that helps someone remember something, especially a note or memorandum.
A mnemonic device used to aid memory.
A document, especially in diplomacy, that informally sets out points for discussion or reference.
Words
aide

noun
помощь
mémoire

noun
память