The double-stem lines mean that some of the movement is "parallel to the Front or Back walls"...

Little horizontal lines mean that some of the movement is moving forward and "hitting the front wall". Little dots mean that the movement is moving back towards your body and "hitting the back wall"... 

So when reading these, look at the length and direction of the double-stemmed lines... the movement is to the side...long to the side...then forward a tiny bit and then long to the other side and so forth - like walking down a winding path that goes "side right, forward a little, then side left, and then forward a little - like in storytelling - a winding path -

But the symbol 2 that you mention above is a totally different movement - it is moving directly straight up, but while it is moving straight up, it moves in a slight curve forward, hitting the front wall, and the continuing up - like a double pot belly - ha!

I will try to do a tiny video of these differences next message -

Val ;-)

Val ;-)

Valerie Sutton
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