クライアント
くらいあんと
noun
client
1.
client (business)
A customer or person who receives professional services.
2.
client (computing)
A computer or software that requests services from a server.
From English "client." Used in business to mean a customer receiving services, and in IT for computers/software requesting data from servers.
BUSINESS EXPRESSIONS:
IT EXPRESSIONS:
CONTRAST:
クライアント implies an ongoing professional relationship, while 顧客 is broader.