Also, here is a link to an Introduction to Planetary Nodes video - which is what I call a wholistic big picture approach and understandings - not only the geocentric EA point of view. But this does show visually the mechaniscs of how and why the geocentric POV works. https://youtu.be/UBGsWNUaZy4 Introduction to the Planetary Nodes

Here is a link to youtube video that is a visual flip through of the annual geocentric planetary nodes cycle: https://youtu.be/_byG_Pdukkw

Here is PDF of the Annual Planetary Node Cycle, which was also posted on old MB Resources.