Why write about picture frame backing boards?  Truth be known, we were scratching for ideas for this month's post. We asked the lads for suggestions for a new post but most told us that they felt that we must have written just about everything there is to know about picture frames. And that seemed to be so until someone asked about backing boards, had we ever written anything about them? The answer was in the negative, and do, here we go, let's discuss backing boards, the kinds used in picture framing to make picture frames.  To begin with, and so far as the picture framing occupation is concerned, backing boards, backer boards, back boards, backs and and backings are all synonyms of the same ...