note

(Noun) A symbol or annotation. A mark or token by which a thing may be known; a visible sign; a character; a distinctive mark or feature; a characteristic quality. A mark, or sign, made to call attention, to point out something to notice, or the like; a sign, or token, proving or giving evidence.
• A mark or token by which a thing may be known; a visible sign; a character; a distinctive mark or feature; a characteristic quality.
• A mark, or sign, made to call attention, to point out something to notice, or the like; a sign, or token, proving or giving evidence.
• A brief remark; a marginal comment or explanation; hence, an annotation on a text or author; a comment; a critical, explanatory, or illustrative observation.
• A written or printed communication or commitment. A brief piece of writing intended to assist the memory; a memorandum; a minute.
• A brief piece of writing intended to assist the memory; a memorandum; a minute.
• A short informal letter; a billet.
• An academic treatise (often without regard to length); a treatment; a discussion paper; (loosely) any contribution to an academic discourse.
• A diplomatic missive or written communication.
• A written or printed paper (or digital equivalent) acknowledging a debt, and promising payment.
• A list of items or of charges; an account.
• A piece of paper or polymer money; a banknote.
• A small size of paper used for writing letters or notes.
• A sound. A character, variously formed, to indicate the length of a tone, and variously placed upon the staff to indicate its pitch. A musical sound; a tone; an utterance; a tune; a beat of a drum. A key of the piano or organ. A call or song of a bird. An indication which players have to click, type, hit, tap or do other actions if it appears.
• A character, variously formed, to indicate the length of a tone, and variously placed upon the staff to indicate its pitch.
• A musical sound; a tone; an utterance; a tune; a beat of a drum.
• A key of the piano or organ.
• A call or song of a bird.
• An indication which players have to click, type, hit, tap or do other actions if it appears.
• An element of a scent, fragrance, or perfume, especially as a descriptor or category.
• Observation; notice; heed.
• Reputation; distinction.
• A critical comment.
• Notification; information; intelligence.
• Mark of disgrace.

(Verb) To notice with care; to observe; to remark; to heed.
• To record in writing; to make a memorandum of.
• To denote; to designate.
• To annotate.
• To set down in musical characters.
• To record on the back of (a bill, draft, etc.) a refusal of acceptance, as the ground of a protest, which is done officially by a notary.

(Noun) That which is needed or necessary; business; duty; work.
• Milk-giving by a cow or sow; the period following calving or farrowing, during which a cow or sow is most productive and useful.
• (The addition of quotations indicative of this usage is being sought:) The milk given by a cow or sow during such period.