The Uniform Resource Locator or in short "URL" is the "address" of a web page and is sometimes referred to informally as a "web address." It is a specific character string that constitutes a reference to a resource. The URL of a web page is seen on top inside an address bar.
A URL is made up of several parts. The first part is the Protocol, which tells the web browser what sort of server it will be talking to in order to fetch the URL. In this example of the protocol: http. The second part is the Fully Qualified Domain Name of the website to connect to, like the sample: www.sample.com. The third part of the URL is the Path at which this particular web page is located on the web server, such example: /newfaq/basic/url.html.