URIs (including URLs, although in most cases this difference does not matter, and URLs are always URIs, so basically we are just talking about URIs these days) is a globally unique identifier for a resource.
eg. http://example.net/foo/bar?a=b
The path is part of the URI, in the example above the path is / foo / bar
URI - URI. , , URI, , , URI . , /foo/bar? A = b, URI , , . , .. /bar?a=b, , ://example.net/foo/bar? A = b, URI URI HTTP, , URI HTTPS .