note

(noun) a brief written record. Examples: "He made a note of the appointment."

(noun) a short personal letter. Synonyms: short letter, line, billet. Examples: "Drop me a line when you get there."

(noun) a notation representing the pitch and duration of a musical sound. Synonyms: musical note, tone. Examples: "The singer held the note too long."

(noun) a tone of voice that shows what the speaker is feeling. Examples: "There was a note of uncertainty in his voice."

(noun) a characteristic emotional quality. Examples: "It ended on a sour note." "There was a note of gaiety in her manner." "He detected a note of sarcasm."

(noun) a piece of paper money (especially one issued by a central bank). Synonyms: bill, government note, bank bill, banker's bill, bank note, banknote, Federal Reserve note, greenback. Examples: "He peeled off five one-thousand-zloty notes."

(noun) a comment or instruction (usually added). Synonyms: annotation, notation. Examples: "His notes were appended at the end of the article." "He added a short notation to the address on the envelope."

(noun) high status importance owing to marked superiority. Synonyms: eminence, distinction, preeminence. Examples: "A scholar of great eminence."

(noun) a promise to pay a specified amount on demand or at a certain time. Synonyms: promissory note, note of hand. Examples: "I had to co-sign his note at the bank."

(verb) make mention of. Synonyms: observe, mention, remark. Examples: "She observed that his presentation took up too much time." "They noted that it was a fine day to go sailing."

(verb) notice or perceive. Synonyms: notice, mark. Examples: "She noted that someone was following her." "Mark my words."

(verb) observe with care or pay close attention to. Synonyms: take note, observe. Examples: "Take note of this chemical reaction."

(verb) make a written note of. Synonyms: take down. Examples: "She noted everything the teacher said that morning."