What is the difference between request, response and server?

Question

What is the difference between request, response and server?

Solution 1

Request : From Client to Server
Response: From Server to Client
Server: Receive Request and Send Response
Client: Send Request and Receive Response

Solution 2

A client (web user) makes a Request to a Server which processes the Request and determines the appropriate Response

Solution 3

Server: Machine that provide something for client.

Focus at Server, Request is message that arrive to server for request something. Response is message that send from server to client for give thing that client what.

anyway REQUEST/RESPONSE means you can know it with common sense.

See also: http://en.wikipedia.org/wiki/Request-response