A start made up of 5 equidistant spokes
The Seba , is a symbol that I could not find much information on nor could the sources be validated. It is said that the sky goddess Nut is show to be adorned with the five pointed start. Stars represented the souls of those past from this reality and the after life.
What the Seba symbolises to the Ancient Egyptians
Gate Ways / Doorways /Portals
Not known, possibly transition and acquiring knowledge