A buyer proposal is an OFFER made by a potential buyer to purchase goods or services. The term 'buyer proposal' is composed of three words: OFFER, EMPTOR, and USER. OFFER is a five-letter word meaning to present something for sale or acceptance. EMPTOR is a six-letter word meaning a buyer or purchaser. USER is a four-letter word meaning one who uses or makes use of something. Together, these three words form the term buyer proposal.