What is Notes?

Notes definition and meaning on Dictionary terms:
a brief record of something written down to assist the memory or for future reference.
notes, a record or outline of a speech, statement, testimony, etc., or of one’s impressions of something.
an explanatory or critical comment, or a reference to some authority quoted, appended to a passage in a book or the like: a note on the origin of the phrase.
a brief written or printed statement giving particulars or information.

Library Science. additional information about a work, such as its special series or some other significant identification, included on the library catalog entry.
a short, informal letter: a thank-you note.
a formal diplomatic or official communication in writing: a note delivered by the ambassador.
a paper acknowledging a debt and promising payment; promissory note.
a certificate, as of a government or a bank, accepted as money.
eminence, distinction, or reputation: a man of note.
importance or consequence: few events of particular note.
notice, observation, or heed: to take note of warning signs; to be worthy of note.
a characteristic or distinguishing feature: a note of whimsy in the design of the house.
a mark, quality, or indication of something, especially as a submerged but ubiquitous element: There was just a note of bitterness in his films.
a characteristic way of speaking or thinking: His critics had begun to change their note.
a signal, announcement, or intimation: a note of warning in her voice.
Music. a sign or character used to represent a tone, its position and form indicating the pitch and duration of the tone. a key, as of a piano.

a tone sounded on a musical instrument.
a musical sound or tone.
a melody, tune, or song.
a sound of musical quality, as one uttered by a bird: attentive to the thrush’s note.
any call, cry, or sound of a bird, fowl, etc.
a new or unexpected element in a situation.
a mark or sign, as of punctuation, used in writing or printing.

verb (used with object), not