lead(someone or something that may be useful, especially a potential customer or business opportunity: Setting up a social networking page can help you get numerous leads.Bullfinch)
lead generation(This new capability is intended to put more control of listings and lead generation in the hands of RE/MAX agents – Это должно дать агентам RE/MAX более полный контроль над информацией и больше возможностей привлечения потенциальных клиентов. (Google Analytics) visitor)