1 The W3C offers an explanation that compares the URN to the URI and the URL. 2  Here is a page of links to sites related to Uniform Resource Names. 3  Ron Daniels' page on Uniform Resource Identifiers offers several clarifying thoughts.ontinue Reading About URN (Uniform Resource Name). 1  The W3C offers an explanation that compares the URN to the URI and the URL. 2  Here is a page of links to sites related to Uniform Resource Names.
Wiktionary(0.00 / 0 votes)Rate this definition: 1  jigsaw(Noun) A saw with fine teeth and a narrow blade which can cut curves in wood or metal. 2  jigsaw(Noun) A jigsaw puzzle. 3  jigsaw(Verb) To cut something using a jigsaw.
John Spilsbury /I.P.A. spÉªlsbÉri/ (1739 â 3 April 1769) [1] was a British cartographer and engraver. He is credited as the inventor of the jigsaw puzzle. Spilsbury created them for educational purposes, and called them âDissected Mapsâ.