Definitions of note
banknote/bank note a piece of paper money, as opposed to a coin
A Scottish pound note from 1836 has sold for a record price at auction.
notes information written on paper, often summarising something that has been said, heard, read, etc, or providing brief but useful information about a particular topic
Information about her mother's medication was also missing from her notes.
a short piece of writing
A man admitted carrying out a series of bank robberies by passing threatening notes to cashiers.