Final answer:
The subject of this question is Business. The term being described is a request for proposal (RFP), which is an invitation to bidders to bid on a particular project.
Step-by-step explanation:
The subject of this question is Business. The question is asking about the term that is also known as advertisement for bids, inviting bidders to bid on a particular project. In the context of business, this term is commonly referred to as a request for proposal (RFP). An RFP is a document sent by an organization or company to potential vendors or contractors, outlining the project requirements and inviting them to submit their proposals.