1- Domain name
Domain names are used to identify one or more IP addresses. For example, the domain name microsoft.com represents about a dozen IP addresses. Domain names are used in URLs to identify particular Web pages. For example, in the URL https://www.superbanswer.com/, the domain name is superbanswer.com.
2- Web Hosting:
Web hosting is the service that makes your website available to be viewed by others on the Internet. A web host provides space on its server, so that other computers around the world can access your website by means of a network or modem.
3- Idea of business:
A business idea is a concept that can be used for financial gain that is usually centered on a product or service that can be offered for money. An idea is the first milestone in the process of building a successful business
4: building a website:
Now a days, you don’t even need to know HTML and CSS to make a website. There are a lot of free website builders that make creating websites really easy. If you want to make a complex website, you should know HTML and CSS for designing it. And a little bit of PHP and MySQL if you want functionality like registration and login.