Final answer:
A user accesses a website by entering the domain name, which is translated by DNS into an IP address. The request is routed to the website's server, and the content is sent back to the user's browser.
Step-by-step explanation:
When a website is made public, users around the world can access it by simply knowing the website's domain name. This is made possible through a global network of servers and technologies including the Domain Name System (DNS). When a user enters a website name into their browser, the DNS translates the human-friendly domain name into an IP address that computers use to identify each other on the internet. The user's request is then routed through multiple servers until it reaches the server where the website is hosted. The webpage is then sent back to the user's browser, allowing them to view the site content, regardless of their geographic location.