written agreement

nouns

a legal document summarizing the agreement between parties
domain category
the collection of rules imposed by authority
"civilization presupposes respect for the law"; "the great problem for jurisprudence to allow freedom while enforcing order"
is a type of (narrower)
(law) a document that states some contractual relationship or grants some right
is a type of (narrower)
the statement (oral or written) of an exchange of promises
"they had an agreement that they would not interfere in each other's business"; "there was an understanding between management and the workers"