The letters after the final dot in a domain—such as .com or .org—are called a top-level domain, or TLD. A TLD is part of the Domain Name System’s structure; it can communicate context to people, but it is not a substitute for a memorable name, a useful website, or a sound business plan. ICANN’s overview explains the TLD categories.Choosing an extension is easiest when you start with your audience and intended use. Ask where your customers are, what they need to understand about your organization, and whether the domain is easy to remember when spoken aloud..com: a familiar choice for [...]