Below I sum up Prateek Joshi's awesome explanation. The theory: URI (uniform resource identifier) identifies a resource (text document, image file, etc) URL (uniform resource locator) is a subset of the URIs that include a network location URN (uniform resource name) is a subset of URIs that include a name within a given space, but no location That is: And for an example: Also, if you haven't already, I suggest reading Roger Pate's answer. Urn definition: a large or decorative vase, especially one with an ornamental foot or pedestal.. See examples of URN used in a sentence. From Longman Dictionary of Contemporary English Related topics: Death, Utensils urn /ɜːn $ ɜːrn/ noun [countable] 1 a decorated container, especially one that is used for holding the ash es of a dead body 2 a metal container that holds a large amount of tea or coffee Examples from the Corpus urn • After this solemn function, the body was placed above a side altar in a crystal urn. • The square funerary monument was found to contain a series of stelae with inscriptions and five urns ... An urn is a vase with a narrow neck and a footed base, often used for funerary or decorative purposes. Learn about the history, materials and styles of urns, from ancient Greece and Rome to modern times.
