You need to know components:
- Your PC.
- Web browser.
- An internet connection: this is provided by ISP and connects you to the internet.
- Web server: this is a computer on which a website is hosted.
- Routers and Switches: they are combination of software and hardware who take your request and pass to appropriate Web server.
The Web is known as a client-server system. Your PC is the client and remote to server that store files.