Customer service

Customer service is activities related to enhancing the customer experience, including such pursuits as observation of use of the product to discover the hazards inherent during use (and misuse); feeding the information back to all concerned; providing training and warnings to users.

Definition

According to Juran's Quality Handbook by Defeo (7th edition),

Customer service. Activities related to enhancing the customer experience, including such pursuits as observation of use of the product to discover the hazards inherent during use (and misuse); feeding the information back to all concerned; providing training and warnings to users.

According to Cost Accounting by Horngren, Datar, Rajan (14th edition),

Customer service. Providing after-sale support to customers.

According to Managerial Accounting by Braun, Tietz (5th edition),

Customer service. Support provided for customers after the sale.