A Web Address - URLs (and URIs)
URL = Uniform Resource Locator

"The crucial thing is the URL. The crucial thing is that you can link to anything."
— Tim Berners Lee

URL/URI
https://www.archives.gov/historical-docs/voting-rights-act

• Scheme (also Protoocl)
  https://www.archives.gov/historical-docs/voting-rights-act
• Host (also Authority)
  https://www.archives.gov/historical-docs/voting-rights-act
• Path
  https://www.archives.gov/historical-docs/voting-rights-act

Aside: Names and Locations: URLs, URIs, and URNs

• URI: Uniform Resource Identifier
  • URL: Uniform Resource Locator
  • URN: Uniform Resource Name

A book example ("Leadership in Turbulent Times" by Doris Kearns Goodwin).

• urn:isbn:978-1476795928 - Uniquely identifies by "name"
• https://www.barnesandnoble.com/w/leadership-doris-kearns-goodwin/1128008541?ean=9781476795928#/ - URL, "L" is for "Location"; tells you were something is "at"

Both are "URIs" one is a URN and the other is a URL.