| Web Server | Internet Messages | Web Client |
|---|---|---|
| Server listens for messages | ||
| Server listens for messages | User starts client and requests a web page | |
| Server listens for messages | Message with URL sent to the server | |
| Server receives request for web page, formats it, sends it back and listens for more messages | ||
| Server listens for messages | Message with web page sent to the client | |
| Server listens for messages | Client receives web page and displays it, possibly making more requests |