sentences:  Living document
  
  A living document, also known as an evergreen document or dynamic document, is a document that is continually edited and updated.An example of a living document is an article in Wikipedia, an online encyclopedia that permits anyone to freely edit its articles, in contrast to "dead" or "static" documents, such as an article in a single edition of the "Encyclopædia Britannica," or the U.S. Constitution, a document that can be amended.