| Word | Description |
| IDX | IDX, or the Internet Data eXchange, is a policy developed by the National Association of Realtors, NAR, provides the ability for real estate brokers to share listing information. Specifically, IDX gives all brokers a chance to work together for everyone’s individual benefit, by allowing brokers to share listing information in a public place. IDX was created to provide a system where brokers give each other permission to display their listings on each other’s websites, within certain guidelines. |
| Internet | The Internet is an interconnected system of networks that connects computers around the world. The Internet was developed by many different minds, but most agree that the real birth of the modern Internet was the ARPANET program in the 1960’s. The Internet connects networks together using the TCP/IP protocol. |
| IP Address | IP stands for Internet Protocol. It is a packet-based protocol for delivering data across networks, specifically the Internet. IP addresses are a string of four numbers separated by dots. These numbers can then be translated into a domain name. |
| ISP | ISP stands for Internet Service Provider. |