customer (customers plural )
1 n-count A customer is someone who buys goods or services, especially from a shop.
Our customers have very tight budgets., ...the quality of customer service...
2 n-count You can use customer in expressions such as a cool customer or a tough customer to indicate what someone's behaviour or character is like. INFORMAL adj N ...two pretty awkward customers.
customer base (customer bases plural )A business's customer base is all its regular customers, considered as a group. (BUSINESS) n-count
...Halifax's customer base of 21 million people.
customer relations
1 n-plural Customer relations are the relationships that a business has with its customers and the way in which it treats them. (BUSINESS)
Good customer relations require courtesy, professionalism and effective response.
2 n-uncount Customer relations is the department within a company that deals with complaints from customers. (BUSINESS)
...Tucson Electric's customer-relations department.
customer satisfaction
When customers are pleased with the goods or services they have bought, you can refer to customer satisfaction. n-uncount
I really believe that it is possible to both improve customer satisfaction and reduce costs..., Customer satisfaction with their mobile service runs at more than 90 per cent.
customer service
Customer service refers to the way that companies behave towards their customers, for example how well they treat them. (BUSINESS) n-uncount
...a mail-order business with a strong reputation for customer service..., The firm has an excellent customer service department.