I'm not totally sure what you are trying to say Stonegloves... I asked for opinions and was told.
I respect that there are others that know far more about these things than I could probably ever know.

Although I really do think the square and the zigzag both look man made I can see quite clearly that Tiompan is right that they also fit with natural geology of the rock.

I'm glad that I am able to ask questions on here without being made to feel stupid and Tiompan certainly didn't be-litttle me at all.