What does "customer service" mean?

The act of providing services to customers before, during and after a purchase.

Customer service

Common synonyms include: customer support, client service, customer care, customer care unit, customer handling, fielding inquiries.

noun

noun ·Rare ·Advanced level

Noun

1
The act of providing services to customers before, during and after a purchase. uncountable
2
A department that provides services to existing customers. uncountable