--- title: Server slug: Словарь/Server translation_of: Glossary/Server ---
A server is a software or hardware offering a service to a user, usually referred to as client. A hardware server is a shared computer on a network, usually powerful and housed in a data center. A software server (often running on a hardware server) is a program that provides services to client programs or a {{glossary("UI","user interface")}} to human clients.
Services are provided generally over local area networks or wide area networks such as the internet. A client program and server program traditionally connect by passing messages encoded using a {{glossary("protocol")}} over an {{glossary("API")}}.
For example: