Answers for "what is a URL"

a url

Did you also type ' a URL ' because google says 'Search Google or type a URL'?

what is uri

URI stands for Uniform Resource Identifier
The purpose of URI is to locate
a resource on the server 
hosting the web service.

A URI format is:
<protocol>://<servicename>/<ResourceType>/<ResourceID>

what is a URL

Url stands for: Uniform Resource Locator
						with means...
                         →A code/tag/something to identify
                         a thing/resource stored somewhere, 
                         in a way in with follows a pattern
                         (thats why the "uniform" in the beggining 
                         of the sentence) :)