Answer :
d. Url
A Uniform Resource Locator (URL), commonly informally termed a web address (which term is not defined identically) is a reference to a web resource that specifies its location on a computer network and a mechanism for retrieving it.
A Uniform Resource Locator (URL), commonly informally termed a web address (which term is not defined identically) is a reference to a web resource that specifies its location on a computer network and a mechanism for retrieving it.