L.B"A consensus of mind,or evidence of such consensus,in spoke or written form,relating to anything done or to be done."根据这一定义,协议是对已经做或准备做的相关事宜,经过谈判、协商后取得一致意见,以口头或书面形式做出的约定。
Black"Law Dictionary"有两个定义。一个是:"A concord of understanding and intention between two or more parties with respect to the effect upon their relative rights and duties,of certain past or future facts or performance"根据这一定义,协议即双方或多方京某些过去或将来某些事实的相关权利、义务或相关权利、义务的履行而达成的一致理解和愿望。
另一个是:The consent of two or more persons concurring respecting the transmission of some property,right or benefits,with the view of contacting an obligation,a mutual obligation.根据这一定义,协议即两个或多个当事人,为了约定单方责任或相互责任,就财产权利、利益的转移取得的一致同意。