Curtain Symbolism: Portals and Flow Directions

Curtains are a weakly useful symbol of flow, often with a portal at a top-diagonal corners and a portal where there is a knot. Like most cloth symbols, a square bottom with tassles (image A) means upward flow. A point at the bottom like the middle of image C, is downward flow. The hand in image B is the portal where side flow can go in- or out- from the center flow person-symbol.

Usually the only value I get from curtains, is noticing them and realizing "this is some kind of pictogram". Image D is loaded with symbols, but I'm still working on understanding some of them.