Originally Posted by
Andrew R Stewart
As Francis says. Do you not recognize the smiley face after my post? A crack is a void/separation/gap/break (although not here) between two sides/ends/within a otherwise continuous piece. A crack can be intended or indication of failure. Andy.
A crack can also be comment with a bit of intended irony. Very apt on this thread.
I won't make any cracks about joints here, though it's hard to resist.