Cords originate from organic substances as in cords from person to person. Cord composition can be more complex through entities, interdimensional parasites, ghosts, ancestral beings and ETs.

If you were weeding in your garden you would cut the weeds you would dig them out by the roots. The same is true with cords:

https://medium.com/know-thyself-heal-thyself/never-cut-cords-aka-negative-attachments-b8c68b042e26