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.
Project Jigsaw. Project Jigsaw is the most likely candidate for modularity in Java 9. Jigsaw seeks to use language constructs and environment configurations to define a scalable module system for Java SE. Primary goals of Jigsaw include: 1  Making it very easy to scale the Java SE runtime and the JDK down to small devices.