The parties to a written contract may include a clause stipulating that the contract is a complete integration and the exclusive expression of their agreement and that may not be introduced to explain, alter, contradict, or add to the terms of the contract. This type of clause is known as a clause, or a(n) clause.

parole evidence, merger clause, integration clause.

Explanation:

Parole evidence, merger clause and integration clause are all provisions of a contract. They stipulate and maintain the interests of a legal contract.The provision of parole evidence states that any extrinsic written or oral words that may alter, contradict, or add to the terms of the contract will not be acceptable once a contract is finalized and signed.Merger clause, also known as integration clause, is a provision of a contract that states that once a written contract is signed and completed,  it is the final contract and no other extrinsic force can override the final written contract.