Is the process of carefully managing detailed information about individual customers and all customer "touch points" to maximize loyalty.

Customer Relationship Management (CRM)

Explanation:

Customer Relationship Management (CRM) is a technique or approach initiated by the corporation to manage the all-important information about the patent customer to gain loyalty at fullest and maximize the business p[productivity.

the main focus of this approach is to know about all those customers who can be in a list of potential customers.