This topic will contain simple and working client server communication example along with some basic info for understanding. Examples are based on multi client communication that is happening on one computer (localhost). Changing (if it's not already set correctly) the IP address parameter on server script to reflect your network device IP address will allow you to communicate with other clients on network or even to communicate on internet if your network settings (forwarded router port, ip address on that port is seen from others on internet, you're not trying to do client server from ident