operative words 产生法律效果的词语；关键性词语 该词的原始意义是指在地产转让中，对创设或转移一项地产起作用的词语。例如，将土地赠与甲和乙以及甲的直系继承人的，则「继承人」即属于这种词语，因其在甲之上创设了一种可继承地产权；「直系」亦属这种词语，因其法律效果被指定在限嗣继承地产权。但是，这种词语更经常被称为「限制性词语」〔words of limitation〕，而有关土地等财产转让特征的用语，诸如enfeoff grant, bargain and sell，demise, alien, release, mortgage等才是产生法律效果的词语。
operative words. In a transactional document, the words that actually effect the transaction.
clause, n. 1. A distinct section or provision of a legal document or instrument. 2. ITEM(3). — clausal, adj. enacting clause. The part of a statute stating the legislative authority by which it is made and often the date when it will take effect. • A typical enacting clause begins with the words “Be it