Answer:
Sales lead
Explanation;
-A sales lead is a possible sales contact, an individual or organization that signifies her interest in particular goods or services that a person delivers. Leads are basically derived from the referral of an already established client, or via a personal reply to advertising or publicity. A company's marketing department is majorly in charge of sourcing for lead.
-The process of gathering sales leads starts with lead generation. Lead generation comprises of a set of marketing-related process, or lead generators. At a fundamental level, lead generation could be as easy as sourcing referrals from some already established clients.