Web development: choose a domain name, order web hosting, meet with client, create a web site. Host: a computer on the internet that provides services such as web pages, emails, web storage. Group of millions of computers around the world connected with one another. Network: group of interconnected computers(connected with wires, wirelessly, satellites) A global system of interconnected computer networks that use the standardized internet. Protocol suite to serve billions of users worldwide. Ideas behind this protocol funded by the advanced research projects agency in 1969, called. The world wide web is a software that runs on the internet. Packet: a small group of bytes consisting of (packet switching): header (64 bytes , destination: tells where it is going: destination, source (where it came from, body (512 bytes, actual message content. Tcp: sending end take large chunk of data and break it into small packets. Ip responsible for sending the packets out on to the internet.