(law) a document that states some contractual relationship or grants some right

the collection of rules imposed by authority

an agreement to buy or sell a specific amount of a commodity or financial instrument at a particular price on a stipulated future date; the contract can be sold before the settlement date

the right to buy or sell property at an agreed price; the right is purchased and if it is not exercised by a stated date the money is forfeited

contracts that are traded (and privately negotiated) directly between two parties, without going through an exchange or other intermediary.

the collection of rules imposed by authority