This document discusses key concepts related to customer relationship management including: 1. Customer perceived value, which is the difference between total customer benefits and total customer costs of an offering compared to alternatives. Benefits include product, service, personnel and image while costs include monetary, time, energy and psychological. 2. Customer satisfaction, which is a customer's feeling of pleasure based on how a product's performance matches their expectations. 3. Customer lifetime value, which is the net present value of future profits expected over the lifetime of a customer. Maximizing customer lifetime value involves focusing efforts on the most profitable customers.