A domain name is an addressing system, a unique name that points to an IP address. In essence, it is a user-friendly name for a website, replacing the numerical IP address that computers use to connect to a website. For example, instead of typing in a string of numbers like 192.168.1.1, you can simply type in a domain name like google.com.
Every domain name has two parts: the second-level domain (SLD), which is the part before the dot (“.”) that represents the website’s name (e.g., “google” in google.com) and the top-level domain (TLD), which is the part after the dot (“.”) that represents the website’s category or purpose (e.g., “.com” in google.com, which indicates a commercial website).