It is interesting to know. Which word? Buyer/consumer/customer/client clientele/purchaser Buyer buys smth. Expensive such as a house, company,
or painting, usually from another person.
Consumer buys smth. (a for mal word): consumer de-
mand/choice/rights
Customer buys goods from a particular shop, restaurant, or
company
Client uses services or advice of a professional person or
organization and pays for it
Clientele (AmE) The people, especially rich people, who
regularly use a shop or restaurant or the services of a professional
person.
Purchaser (AmE) buys and uses goods or services.