Evergreen document
Encyclopedia
An evergreen document is a document
Document
The term document has multiple meanings in ordinary language and in scholarship. WordNet 3.1. lists four meanings :* document, written document, papers...

written in a way that is relevant to a specific audience over a long period of time. This relevance comes from a universal acceptance or application of document contents.
The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
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