Thanks Angus. I found an answer on separate thread to do like this:
<a href="/documents/2014-Stage 4 WCP declaration.pdf">2014-Stage 4 WCP declaration</a>
"/documents" tells server to find the linked doc in the folder called "documents" wherever that folder is on my domain
trying to put a link in a page on WP dashboard. need to place documents in a folder (new or existing ok) with file manager and need to find url to that doc to link to the page. I know how to put a link in, but need url to do it. have tried lots of combinations to my domain/database at...