Span

Full Span: Distance from edge of thumb hole nearest to the center, to the edge of finger

                holes nearest to the center including all inserts and / or grips.
                (also referred to as True span or actual span). 
                See attachment 1  

Cut Span: Distance from edge of thumb hole nearest to the center, to the edge of finger holes

               nearest to the center excluding all inserts and / or grips.
               also referred to as Edge to edge span. 
               See attachment 2

Attachment 1

Attachment 2