在线等 中文定义有了 如下：商务函电是指在日常的商务往来中用以传递信息、处理商务事宜以及联络和沟通关系的信函、电讯文书。常用的商务信函主要有商洽函、询问函、答复函、请求函、告知函和联系函等。
business corresondence is letter which is used for delivering information and handle buisness affairs，contacting with eachothers in daily communication.the often-used business correspondece mainly include negotiation letter,inquiry letter,counter offer,request letter
inform letter and contact letter.
参考知识1
Commercial correspondence refer to the correspondence letters, electric papers used in daily businesses for transmitting information, dealing with business activities or relationshoip connection or communication. The common commercial correspondence are commercial discussions, enquiries, feedbacks, requests, information and contacts.