A Web Address - URLs (and URIs)

• URL/URI
  http://www.whitehouse.gov/our-government/the-constitution
• Scheme
  http://www.whitehouse.gov/our-government/the-constitution
• Host
  http://www.whitehouse.gov/our-government/the-constitution
• Path
  http://www.whitehouse.gov/our-government/the-constitution

Names and Locations: URLs, URIs, and URNs

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