acceptance (Noun) = officially agree to take something that you have been offered = คําสนอง
agreement (Noun) = an exchange of promise, a mutual arrangement =สัญญา ข้อตกลง
contract (Noun) = an agreement between two or more parties creating obligations that are enforceable or recognizable at law = ข้อตกลง สัญญา
binding contract = an enforceable contract = สัญญาที่มีผลผูกมัด
breach of contract (Noun) = violation of a contractual obligation by failing to perform one’s own promise = การฝ่าฝืนสัญญา