Abusiness philosophy and set of strategies, programs, and systems that focus on identifying and building loyalty among the firm's most valued customers is known as:

Customer Relationship Management

Explanation:

Customer relationship management, as the name implies, involves an organization making specific efforts to retain, serve and keep their customers happy while also enhancing organizational growth.

The organization uses strategies, programs and technologies to analyze its customers and devise ways to improve customer service.

customer relationship management (CRM)

Explanation:

Customer relationship management (CRM) is the culmination of practices, strategies and technologies that companies adopt to manage and analyze customer interactions and data throughout the customer lifecycle, with the sole aim of improving customer service relationships and assisting in retening customers and driving sales growth. They do this by compiling data of the customer across differnt channels like telephone, social media, etc