The URL is (uniform Resource Locator, the Uniform Resource Locator) abbreviation, it is the WWW unified resources localization symbol, refers to the network address. URL is the network address of the file, the equivalent of the person's address, each network resources have a fixed and unique network address, this complete URL is the URLs.
A URL is an identification method that is used to fully describe the addresses of web pages and other resources on the Internet. Each Web page on the Internet has a unique name identifier, usually called a URL address, which can be a local disk, a computer on a local area network, or a Web page program or an internal address of the application software that points to the identity. But more is the site on the Internet. Simply put, URLs are web addresses, commonly known as "URLs."
The word URL is widely used in the Web page source code, as well as some software code, to implement the relevant web pages and software to address the function.