Uniform Resource Locator
Identify the host where the resource is located. ex: github.com
Uniform resouce Name
Identify a resource inside the host. ex: /thiagotesla/url-urn-uri/blob/main/url-urn-uri.md
Uniform Resource Identifier
Is formed by sum of protocol + URL + URI, like, https://github.com/thiagotesla/url-urn-uri/main/url-urn-uri.md