Four seasons hotels sell private residences in several of their properties and send direct mail to prospective residents asking them to request additional information on the telephone or through a website. in terms of direct marketing, this is known as:

lead generation

Explanation:

Based on the information that is describing the situation at hand it seems that In terms of direct marketing, this is known as lead generation. This term refers to the activities or tasks that a company undergoes in order to attract potential customers towards their products or services. Which is what Four Seasons Hotels are doing by sending direct mail to their potential customers in order to attract them towards their hotels.

fractionally backed paper money

fiat money

paper money

metallic money