The answer is customer relationship management system. This is a term that discusses about practices, approaches and technologies that companies use to accomplish and examine customer relations and data during the course of the customer lifecycle, with the objective of improving business relationships with customers, assisting in customer retention and driving sales growth. These systems are intended to accumulate information on customers across different channels. CRM systems can likewise offer customer-facing staff detailed information on customers' personal information, buying preferences purchase history, and concerns.