Note
Note, notes, or NOTE may refer to:

Music and entertainment
Musical note, a pitched sound (or a symbol for a sound) in music
Notes (album), a 1987 album by Paul Bley and Paul Motian
Notes, a common (yet unofficial) shortened version of the title of the American TV situation comedy, Notes from the Underbelly
Notes (film), a short by John McPhail
Notes (journal), the quarterly journal of the Music Library Association

Finance
Banknote, a form of cash currency, also known as bill in the United States and Canada
Promissory note, a contract binding one party to pay money to a second party
Note, a security (finance), a type of bond

Technology and science
IBM Notes, (formerly Lotus Notes), a client-server, collaborative application owned by IBM Software Group
Natural orifice transluminal endoscopic surgery (NOTES), a type of minimally invasive surgery
Notes (Apple), a note-taking application bundled with macOS and iOS
Notes, another name for the Japanese video game company Type-Moon
Samsung Galaxy Note series, an Android phablet
Redmi Note, a series of mobile phones
NOTE (tag), a tag used in computer programming
Microsoft OneNote, a note-taking application bundled with Office

Writing, texts, and documents
A diplomatic note, or letter of protest, a highly formal diplomatic document
Note (typography), a commentary or reference appended to a text
Note-taking, a recording of information
Note verbale, a diplomatic letter or document, also known as Third Person Note or Third Party Note
Suicide note

Others
National Organisation for Tobacco Eradication (India), a campaigning organisation
Note (perfumery), a scent experienced as a perfume fades
Nissan Note, a mini MPV produced by Nissan

See also
Liner notes
Notation (disambiguation)
Note 2 (disambiguation)
The Note (disambiguation)
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