Domain names function as online addresses. One can use the domain name to brand their social media presence. You can change the complicated bit of your business social media page by simply using your domain name as the web address for the social media visual contents. Domain names are very useful in growing the business. A domain name serves as an online address and hence it can be used as an email address. Creating an email from your domain name can foster a more professional outlook to your customers out there. Domain names are used to identify one or more IP addresses. Domain Names are also used to identify particular web pages.