 Some detailed CLM models further breakdown these phases into acquisition, introduction to products, profiling of customers, growth of customer base, cultivation of loyalty among customers, and termination of customer relationship.According to a DM Review magazine article by Claudia Imhoff, et al., "The purpose of the customer life cycle is to define and communicate the stages through which a customer progresses when considering, purchasing and using products, and the associated business processes a company uses to move the customer through the customer life cycle.