What is the meaning of note?

noun

• A brief written record.
  • usage: "he made a note of the appointment"
• A short personal letter.
  • usage: "drop me a line when you get there"
  • synonyms: short letter, line, billet
• A notation representing the pitch and duration of a musical sound.
  • usage: "the singer held the note too long"
  • synonyms: musical note, tone
• A tone of voice that shows what the speaker is feeling.
  • usage: "there was a note of uncertainty in his voice"
• A characteristic emotional quality.
  • usage: "it ended on a sour note"; "there was a note of gaiety in her manner"; "he detected a note of sarcasm"
• A piece of paper money (especially one issued by a central bank. )
  • usage: "he peeled off five one-thousand-zloty notes"
  • synonyms: bill, government note, bank bill, banker's bill, bank note, banknote, Federal Reserve note, greenback
• A comment or instruction (usually added. )
  • usage: "his notes were appended at the end of the article"; "he added a short notation to the address on the envelope"
  • synonyms: annotation, notation
• High status importance owing to marked superiority.
  • usage: "a scholar of great eminence"
  • synonyms: eminence, distinction, preeminence
• A promise to pay a specified amount on demand or at a certain time.
  • usage: "I had to co-sign his note at the bank"
  • synonyms: promissory note, note of hand

verb

• Make mention of.
  • usage: "She observed that his presentation took up too much time"; "They noted that it was a fine day to go sailing"
  • synonyms: observe, mention, remark
• Notice or perceive.
  • usage: "She noted that someone was following her"; "mark my words"
  • synonyms: notice, mark
• Observe with care or pay close attention to.
  • usage: "Take note of this chemical reaction"
  • synonyms: take note, observe
• Make a written note of.
  • usage: "she noted everything the teacher said that morning"
  • synonyms: take down