A Bill

1. A written list or inventory. (Now obsolete except in specific senses or set phrases; bill of lading, bill of goods, etc.)
2. A document, originally sealed; a formal statement or official memorandum. (Now obsolete except with certain qualifying words; bill of health, bill of sale etc.)
3. A draft of a law, presented to a legislature for enactment; a proposed or projected law. Synonym: measure Bill (law) - Wikipedia
4. (obsolete, law) A declaration made in writing, stating some wrong the complainant has suffered from the defendant, or a fault committed by some person against a law.
5. (US, Canada) A piece of paper money; a banknote.
6. A written note of goods sold, services rendered, or work done, with the price or charge; an invoice. Synonyms: account, invoice
7. A paper, written or printed, and posted up or given away, to advertise something, as a lecture, a play, or the sale of goods. Synonyms: broadsheet, broadside, card, circular, flier, flyer, handbill, poster, posting, placard, notice, throwaway
8. A writing binding the signer or signers to pay a certain sum at a future day or on demand, with or without interest, as may be stated in the document; a bill of exchange. In the United States, it is usually called a note, a note of hand, or a promissory note. Synonyms: bank bill, banker's bill, bank note, banknote, Federal Reserve note, government note, greenback, note
9. A set of items presented together.